mirror of
https://github.com/syncthing/syncthing.git
synced 2024-11-17 02:48:57 -07:00
992 lines
21 KiB
Go
992 lines
21 KiB
Go
// Copyright 2014 The ql Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package ql
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import (
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"fmt"
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"math/rand"
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"reflect"
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"strconv"
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"strings"
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"time"
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)
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//TODO agg bigint, bigrat, time, duration
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var builtin = map[string]struct {
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f func([]interface{}, map[interface{}]interface{}) (interface{}, error)
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minArgs int
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maxArgs int
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isStatic bool
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isAggregate bool
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}{
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"__testBlob": {builtinTestBlob, 1, 1, true, false},
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"__testString": {builtinTestString, 1, 1, true, false},
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"avg": {builtinAvg, 1, 1, false, true},
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"complex": {builtinComplex, 2, 2, true, false},
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"contains": {builtinContains, 2, 2, true, false},
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"count": {builtinCount, 0, 1, false, true},
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"date": {builtinDate, 8, 8, true, false},
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"day": {builtinDay, 1, 1, true, false},
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"formatTime": {builtinFormatTime, 2, 2, true, false},
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"formatFloat": {builtinFormatFloat, 1, 4, true, false},
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"formatInt": {builtinFormatInt, 1, 2, true, false},
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"hasPrefix": {builtinHasPrefix, 2, 2, true, false},
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"hasSuffix": {builtinHasSuffix, 2, 2, true, false},
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"hour": {builtinHour, 1, 1, true, false},
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"hours": {builtinHours, 1, 1, true, false},
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"id": {builtinID, 0, 1, false, false},
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"imag": {builtinImag, 1, 1, true, false},
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"len": {builtinLen, 1, 1, true, false},
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"max": {builtinMax, 1, 1, false, true},
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"min": {builtinMin, 1, 1, false, true},
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"minute": {builtinMinute, 1, 1, true, false},
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"minutes": {builtinMinutes, 1, 1, true, false},
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"month": {builtinMonth, 1, 1, true, false},
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"nanosecond": {builtinNanosecond, 1, 1, true, false},
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"nanoseconds": {builtinNanoseconds, 1, 1, true, false},
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"now": {builtinNow, 0, 0, false, false},
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"parseTime": {builtinParseTime, 2, 2, true, false},
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"real": {builtinReal, 1, 1, true, false},
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"second": {builtinSecond, 1, 1, true, false},
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"seconds": {builtinSeconds, 1, 1, true, false},
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"since": {builtinSince, 1, 1, false, false},
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"sum": {builtinSum, 1, 1, false, true},
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"timeIn": {builtinTimeIn, 2, 2, true, false},
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"weekday": {builtinWeekday, 1, 1, true, false},
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"year": {builtinYear, 1, 1, true, false},
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"yearDay": {builtinYearday, 1, 1, true, false},
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}
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func badNArgs(min int, s string, arg []interface{}) error {
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a := []string{}
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for _, v := range arg {
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a = append(a, fmt.Sprintf("%v", v))
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}
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switch len(arg) < min {
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case true:
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return fmt.Errorf("missing argument to %s(%s)", s, strings.Join(a, ", "))
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default: //case false:
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return fmt.Errorf("too many arguments to %s(%s)", s, strings.Join(a, ", "))
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}
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}
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func invArg(arg interface{}, s string) error {
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return fmt.Errorf("invalid argument %v (type %T) for %s", arg, arg, s)
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}
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func builtinTestBlob(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
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n, err := intExpr(arg[0])
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if err != nil {
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return nil, err
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}
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rng := rand.New(rand.NewSource(n))
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b := make([]byte, n)
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for i := range b {
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b[i] = byte(rng.Int())
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}
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return b, nil
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}
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func builtinTestString(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
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n, err := intExpr(arg[0])
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if err != nil {
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return nil, err
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}
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rng := rand.New(rand.NewSource(n))
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b := make([]byte, n)
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for i := range b {
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b[i] = byte(rng.Int())
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}
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return string(b), nil
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}
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func builtinAvg(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
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type avg struct {
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sum interface{}
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n uint64
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}
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if _, ok := ctx["$agg0"]; ok {
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return
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}
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fn := ctx["$fn"]
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if _, ok := ctx["$agg"]; ok {
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data, ok := ctx[fn].(avg)
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if !ok {
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return
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}
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switch x := data.sum.(type) {
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case complex64:
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return complex64(complex128(x) / complex(float64(data.n), 0)), nil
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case complex128:
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return complex64(complex128(x) / complex(float64(data.n), 0)), nil
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case float32:
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return float32(float64(x) / float64(data.n)), nil
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case float64:
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return float64(x) / float64(data.n), nil
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case int8:
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return int8(int64(x) / int64(data.n)), nil
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case int16:
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return int16(int64(x) / int64(data.n)), nil
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case int32:
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return int32(int64(x) / int64(data.n)), nil
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case int64:
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return int64(int64(x) / int64(data.n)), nil
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case uint8:
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return uint8(uint64(x) / data.n), nil
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case uint16:
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return uint16(uint64(x) / data.n), nil
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case uint32:
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return uint32(uint64(x) / data.n), nil
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case uint64:
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return uint64(uint64(x) / data.n), nil
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}
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}
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data, _ := ctx[fn].(avg)
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y := arg[0]
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if y == nil {
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return
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}
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switch x := data.sum.(type) {
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case nil:
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switch y := y.(type) {
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case float32, float64, int8, int16, int32, int64, uint8, uint16, uint32, uint64:
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data = avg{y, 0}
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default:
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return nil, fmt.Errorf("avg: cannot accept %v (value if type %T)", y, y)
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}
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case complex64:
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data.sum = x + y.(complex64)
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case complex128:
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data.sum = x + y.(complex128)
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case float32:
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data.sum = x + y.(float32)
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case float64:
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data.sum = x + y.(float64)
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case int8:
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data.sum = x + y.(int8)
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case int16:
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data.sum = x + y.(int16)
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case int32:
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data.sum = x + y.(int32)
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case int64:
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data.sum = x + y.(int64)
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case uint8:
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data.sum = x + y.(uint8)
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case uint16:
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data.sum = x + y.(uint16)
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case uint32:
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data.sum = x + y.(uint32)
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case uint64:
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data.sum = x + y.(uint64)
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}
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data.n++
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ctx[fn] = data
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return
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}
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func builtinComplex(arg []interface{}, _ map[interface{}]interface{}) (v interface{}, err error) {
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re, im := arg[0], arg[1]
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if re == nil || im == nil {
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return nil, nil
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}
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re, im = coerce(re, im)
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if reflect.TypeOf(re) != reflect.TypeOf(im) {
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return nil, fmt.Errorf("complex(%T(%#v), %T(%#v)): invalid types", re, re, im, im)
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}
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switch re := re.(type) {
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case idealFloat:
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return idealComplex(complex(float64(re), float64(im.(idealFloat)))), nil
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case idealInt:
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return idealComplex(complex(float64(re), float64(im.(idealInt)))), nil
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case idealRune:
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return idealComplex(complex(float64(re), float64(im.(idealRune)))), nil
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case idealUint:
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return idealComplex(complex(float64(re), float64(im.(idealUint)))), nil
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case float32:
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return complex(float32(re), im.(float32)), nil
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case float64:
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return complex(float64(re), im.(float64)), nil
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case int8:
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return complex(float64(re), float64(im.(int8))), nil
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case int16:
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return complex(float64(re), float64(im.(int16))), nil
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case int32:
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return complex(float64(re), float64(im.(int32))), nil
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case int64:
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return complex(float64(re), float64(im.(int64))), nil
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case uint8:
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return complex(float64(re), float64(im.(uint8))), nil
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case uint16:
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return complex(float64(re), float64(im.(uint16))), nil
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case uint32:
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return complex(float64(re), float64(im.(uint32))), nil
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case uint64:
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return complex(float64(re), float64(im.(uint64))), nil
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default:
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return nil, invArg(re, "complex")
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}
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}
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func builtinContains(arg []interface{}, _ map[interface{}]interface{}) (v interface{}, err error) {
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switch s := arg[0].(type) {
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case nil:
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return nil, nil
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case string:
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switch chars := arg[1].(type) {
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case nil:
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return nil, nil
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case string:
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return strings.Contains(s, chars), nil
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default:
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return nil, invArg(chars, "string")
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}
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default:
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return nil, invArg(s, "string")
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}
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}
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func builtinCount(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
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if _, ok := ctx["$agg0"]; ok {
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return int64(0), nil
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}
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fn := ctx["$fn"]
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if _, ok := ctx["$agg"]; ok {
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return ctx[fn].(int64), nil
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}
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n, _ := ctx[fn].(int64)
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switch len(arg) {
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case 0:
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n++
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case 1:
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if arg[0] != nil {
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n++
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}
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default:
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panic("internal error 067")
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}
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ctx[fn] = n
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return
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}
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func builtinDate(arg []interface{}, _ map[interface{}]interface{}) (v interface{}, err error) {
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for i, v := range arg {
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switch i {
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case 7:
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switch x := v.(type) {
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case string:
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default:
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return nil, invArg(x, "date")
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}
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default:
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switch x := v.(type) {
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case int64:
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case idealInt:
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arg[i] = int64(x)
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default:
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return nil, invArg(x, "date")
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}
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}
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}
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sloc := arg[7].(string)
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loc := time.Local
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switch sloc {
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case "local":
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default:
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loc, err = time.LoadLocation(sloc)
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if err != nil {
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return
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}
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}
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return time.Date(
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int(arg[0].(int64)),
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time.Month(arg[1].(int64)),
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int(arg[2].(int64)),
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int(arg[3].(int64)),
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int(arg[4].(int64)),
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int(arg[5].(int64)),
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int(arg[6].(int64)),
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loc,
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), nil
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}
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func builtinLen(arg []interface{}, _ map[interface{}]interface{}) (v interface{}, err error) {
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switch x := arg[0].(type) {
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case nil:
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return nil, nil
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case string:
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return int64(len(x)), nil
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default:
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return nil, invArg(x, "len")
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}
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}
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func builtinDay(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
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switch x := arg[0].(type) {
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case nil:
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return nil, nil
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case time.Time:
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return int64(x.Day()), nil
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default:
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return nil, invArg(x, "day")
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}
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}
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func builtinFormatTime(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
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switch x := arg[0].(type) {
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case nil:
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return nil, nil
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case time.Time:
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switch y := arg[1].(type) {
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case nil:
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return nil, nil
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case string:
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return x.Format(y), nil
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default:
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return nil, invArg(y, "formatTime")
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}
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default:
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return nil, invArg(x, "formatTime")
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}
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}
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func builtinFormatFloat(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
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var val float64
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var fmt byte = 'g'
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prec := -1
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bitSize := 64
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switch x := arg[0].(type) {
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case nil:
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return nil, nil
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case float32:
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val = float64(x)
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bitSize = 32
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case float64:
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val = x
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default:
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return nil, invArg(x, "formatFloat")
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}
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switch len(arg) {
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case 4:
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arg3 := coerce1(arg[3], int64(0))
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switch y := arg3.(type) {
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case nil:
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return nil, nil
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case int64:
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bitSize = int(y)
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default:
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return nil, invArg(y, "formatFloat")
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}
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fallthrough
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case 3:
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arg2 := coerce1(arg[2], int64(0))
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switch y := arg2.(type) {
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case nil:
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return nil, nil
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case int64:
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prec = int(y)
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default:
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return nil, invArg(y, "formatFloat")
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}
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fallthrough
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case 2:
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arg1 := coerce1(arg[1], byte(0))
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switch y := arg1.(type) {
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case nil:
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return nil, nil
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case byte:
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fmt = y
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default:
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return nil, invArg(y, "formatFloat")
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}
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}
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return strconv.FormatFloat(val, fmt, prec, bitSize), nil
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}
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func builtinFormatInt(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
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var intVal int64
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var uintVal uint64
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uintType := false
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base := 10
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switch x := arg[0].(type) {
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case nil:
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return nil, nil
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case int8:
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intVal = int64(x)
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case int16:
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intVal = int64(x)
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case int32:
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intVal = int64(x)
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case int64:
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intVal = x
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case uint8:
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uintType = true
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uintVal = uint64(x)
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case uint16:
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uintType = true
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uintVal = uint64(x)
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case uint32:
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uintType = true
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uintVal = uint64(x)
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case uint64:
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uintType = true
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uintVal = x
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default:
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return nil, invArg(x, "formatInt")
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}
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switch len(arg) {
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case 2:
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arg1 := coerce1(arg[1], int64(0))
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switch y := arg1.(type) {
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case nil:
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return nil, nil
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case int64:
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base = int(y)
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default:
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return nil, invArg(y, "formatInt")
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}
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}
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if uintType {
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return strconv.FormatUint(uintVal, base), nil
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}
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return strconv.FormatInt(intVal, base), nil
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}
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func builtinHasPrefix(arg []interface{}, _ map[interface{}]interface{}) (v interface{}, err error) {
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switch s := arg[0].(type) {
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case nil:
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return nil, nil
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case string:
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switch prefix := arg[1].(type) {
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case nil:
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return nil, nil
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case string:
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return strings.HasPrefix(s, prefix), nil
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default:
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return nil, invArg(prefix, "string")
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}
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default:
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return nil, invArg(s, "string")
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}
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}
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func builtinHasSuffix(arg []interface{}, _ map[interface{}]interface{}) (v interface{}, err error) {
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switch s := arg[0].(type) {
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case nil:
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return nil, nil
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case string:
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switch suffix := arg[1].(type) {
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case nil:
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return nil, nil
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case string:
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return strings.HasSuffix(s, suffix), nil
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default:
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return nil, invArg(suffix, "string")
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}
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default:
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return nil, invArg(s, "string")
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}
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}
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func builtinHour(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
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switch x := arg[0].(type) {
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case nil:
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return nil, nil
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case time.Time:
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return int64(x.Hour()), nil
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default:
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return nil, invArg(x, "hour")
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}
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}
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func builtinHours(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
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switch x := arg[0].(type) {
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case nil:
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return nil, nil
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case time.Duration:
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return x.Hours(), nil
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default:
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return nil, invArg(x, "hours")
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}
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}
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func builtinID(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
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switch x := ctx["$id"].(type) {
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case map[string]interface{}:
|
|
if len(arg) == 0 {
|
|
return nil, nil
|
|
}
|
|
|
|
tab := arg[0].(*ident)
|
|
id, ok := x[tab.s]
|
|
if !ok {
|
|
return nil, fmt.Errorf("value not available: id(%s)", tab)
|
|
}
|
|
|
|
if _, ok := id.(int64); ok {
|
|
return id, nil
|
|
}
|
|
|
|
return nil, fmt.Errorf("value not available: id(%s)", tab)
|
|
case int64:
|
|
return x, nil
|
|
default:
|
|
return nil, nil
|
|
}
|
|
}
|
|
|
|
func builtinImag(arg []interface{}, _ map[interface{}]interface{}) (v interface{}, err error) {
|
|
switch x := arg[0].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case idealComplex:
|
|
return imag(x), nil
|
|
case complex64:
|
|
return imag(x), nil
|
|
case complex128:
|
|
return imag(x), nil
|
|
default:
|
|
return nil, invArg(x, "imag")
|
|
}
|
|
}
|
|
|
|
func builtinMax(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
if _, ok := ctx["$agg0"]; ok {
|
|
return
|
|
}
|
|
|
|
fn := ctx["$fn"]
|
|
if _, ok := ctx["$agg"]; ok {
|
|
if v, ok = ctx[fn]; ok {
|
|
return
|
|
}
|
|
|
|
return nil, nil
|
|
}
|
|
|
|
max := ctx[fn]
|
|
y := arg[0]
|
|
if y == nil {
|
|
return
|
|
}
|
|
switch x := max.(type) {
|
|
case nil:
|
|
switch y := y.(type) {
|
|
case float32, float64, string, int8, int16, int32, int64, uint8, uint16, uint32, uint64, time.Time:
|
|
max = y
|
|
default:
|
|
return nil, fmt.Errorf("max: cannot accept %v (value if type %T)", y, y)
|
|
}
|
|
case float32:
|
|
if y := y.(float32); y > x {
|
|
max = y
|
|
}
|
|
case float64:
|
|
if y := y.(float64); y > x {
|
|
max = y
|
|
}
|
|
case string:
|
|
if y := y.(string); y > x {
|
|
max = y
|
|
}
|
|
case int8:
|
|
if y := y.(int8); y > x {
|
|
max = y
|
|
}
|
|
case int16:
|
|
if y := y.(int16); y > x {
|
|
max = y
|
|
}
|
|
case int32:
|
|
if y := y.(int32); y > x {
|
|
max = y
|
|
}
|
|
case int64:
|
|
if y := y.(int64); y > x {
|
|
max = y
|
|
}
|
|
case uint8:
|
|
if y := y.(uint8); y > x {
|
|
max = y
|
|
}
|
|
case uint16:
|
|
if y := y.(uint16); y > x {
|
|
max = y
|
|
}
|
|
case uint32:
|
|
if y := y.(uint32); y > x {
|
|
max = y
|
|
}
|
|
case uint64:
|
|
if y := y.(uint64); y > x {
|
|
max = y
|
|
}
|
|
case time.Time:
|
|
if y := y.(time.Time); y.After(x) {
|
|
max = y
|
|
}
|
|
}
|
|
ctx[fn] = max
|
|
return
|
|
}
|
|
|
|
func builtinMin(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
if _, ok := ctx["$agg0"]; ok {
|
|
return
|
|
}
|
|
|
|
fn := ctx["$fn"]
|
|
if _, ok := ctx["$agg"]; ok {
|
|
if v, ok = ctx[fn]; ok {
|
|
return
|
|
}
|
|
|
|
return nil, nil
|
|
}
|
|
|
|
min := ctx[fn]
|
|
y := arg[0]
|
|
if y == nil {
|
|
return
|
|
}
|
|
switch x := min.(type) {
|
|
case nil:
|
|
switch y := y.(type) {
|
|
case float32, float64, string, int8, int16, int32, int64, uint8, uint16, uint32, uint64, time.Time:
|
|
min = y
|
|
default:
|
|
return nil, fmt.Errorf("min: cannot accept %v (value if type %T)", y, y)
|
|
}
|
|
case float32:
|
|
if y := y.(float32); y < x {
|
|
min = y
|
|
}
|
|
case float64:
|
|
if y := y.(float64); y < x {
|
|
min = y
|
|
}
|
|
case string:
|
|
if y := y.(string); y < x {
|
|
min = y
|
|
}
|
|
case int8:
|
|
if y := y.(int8); y < x {
|
|
min = y
|
|
}
|
|
case int16:
|
|
if y := y.(int16); y < x {
|
|
min = y
|
|
}
|
|
case int32:
|
|
if y := y.(int32); y < x {
|
|
min = y
|
|
}
|
|
case int64:
|
|
if y := y.(int64); y < x {
|
|
min = y
|
|
}
|
|
case uint8:
|
|
if y := y.(uint8); y < x {
|
|
min = y
|
|
}
|
|
case uint16:
|
|
if y := y.(uint16); y < x {
|
|
min = y
|
|
}
|
|
case uint32:
|
|
if y := y.(uint32); y < x {
|
|
min = y
|
|
}
|
|
case uint64:
|
|
if y := y.(uint64); y < x {
|
|
min = y
|
|
}
|
|
case time.Time:
|
|
if y := y.(time.Time); y.Before(x) {
|
|
min = y
|
|
}
|
|
}
|
|
ctx[fn] = min
|
|
return
|
|
}
|
|
|
|
func builtinMinute(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
switch x := arg[0].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case time.Time:
|
|
return int64(x.Minute()), nil
|
|
default:
|
|
return nil, invArg(x, "minute")
|
|
}
|
|
}
|
|
|
|
func builtinMinutes(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
switch x := arg[0].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case time.Duration:
|
|
return x.Minutes(), nil
|
|
default:
|
|
return nil, invArg(x, "minutes")
|
|
}
|
|
}
|
|
|
|
func builtinMonth(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
switch x := arg[0].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case time.Time:
|
|
return int64(x.Month()), nil
|
|
default:
|
|
return nil, invArg(x, "month")
|
|
}
|
|
}
|
|
|
|
func builtinNanosecond(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
switch x := arg[0].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case time.Time:
|
|
return int64(x.Nanosecond()), nil
|
|
default:
|
|
return nil, invArg(x, "nanosecond")
|
|
}
|
|
}
|
|
|
|
func builtinNanoseconds(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
switch x := arg[0].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case time.Duration:
|
|
return x.Nanoseconds(), nil
|
|
default:
|
|
return nil, invArg(x, "nanoseconds")
|
|
}
|
|
}
|
|
|
|
func builtinNow(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
return time.Now(), nil
|
|
}
|
|
|
|
func builtinParseTime(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
var a [2]string
|
|
for i, v := range arg {
|
|
switch x := v.(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case string:
|
|
a[i] = x
|
|
default:
|
|
return nil, invArg(x, "parseTime")
|
|
}
|
|
}
|
|
|
|
t, err := time.Parse(a[0], a[1])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ls := t.Location().String()
|
|
if ls == "UTC" {
|
|
return t, nil
|
|
}
|
|
|
|
l, err := time.LoadLocation(ls)
|
|
if err != nil {
|
|
return t, nil
|
|
}
|
|
|
|
return time.ParseInLocation(a[0], a[1], l)
|
|
}
|
|
|
|
func builtinReal(arg []interface{}, _ map[interface{}]interface{}) (v interface{}, err error) {
|
|
switch x := arg[0].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case idealComplex:
|
|
return real(x), nil
|
|
case complex64:
|
|
return real(x), nil
|
|
case complex128:
|
|
return real(x), nil
|
|
default:
|
|
return nil, invArg(x, "real")
|
|
}
|
|
}
|
|
|
|
func builtinSecond(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
switch x := arg[0].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case time.Time:
|
|
return int64(x.Second()), nil
|
|
default:
|
|
return nil, invArg(x, "second")
|
|
}
|
|
}
|
|
|
|
func builtinSeconds(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
switch x := arg[0].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case time.Duration:
|
|
return x.Seconds(), nil
|
|
default:
|
|
return nil, invArg(x, "seconds")
|
|
}
|
|
}
|
|
|
|
func builtinSince(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
switch x := arg[0].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case time.Time:
|
|
return time.Since(x), nil
|
|
default:
|
|
return nil, invArg(x, "since")
|
|
}
|
|
}
|
|
|
|
func builtinSum(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
if _, ok := ctx["$agg0"]; ok {
|
|
return
|
|
}
|
|
|
|
fn := ctx["$fn"]
|
|
if _, ok := ctx["$agg"]; ok {
|
|
if v, ok = ctx[fn]; ok {
|
|
return
|
|
}
|
|
|
|
return nil, nil
|
|
}
|
|
|
|
sum := ctx[fn]
|
|
y := arg[0]
|
|
if y == nil {
|
|
return
|
|
}
|
|
switch x := sum.(type) {
|
|
case nil:
|
|
switch y := y.(type) {
|
|
case complex64, complex128, float32, float64, int8, int16, int32, int64, uint8, uint16, uint32, uint64:
|
|
sum = y
|
|
default:
|
|
return nil, fmt.Errorf("sum: cannot accept %v (value if type %T)", y, y)
|
|
}
|
|
case complex64:
|
|
sum = x + y.(complex64)
|
|
case complex128:
|
|
sum = x + y.(complex128)
|
|
case float32:
|
|
sum = x + y.(float32)
|
|
case float64:
|
|
sum = x + y.(float64)
|
|
case int8:
|
|
sum = x + y.(int8)
|
|
case int16:
|
|
sum = x + y.(int16)
|
|
case int32:
|
|
sum = x + y.(int32)
|
|
case int64:
|
|
sum = x + y.(int64)
|
|
case uint8:
|
|
sum = x + y.(uint8)
|
|
case uint16:
|
|
sum = x + y.(uint16)
|
|
case uint32:
|
|
sum = x + y.(uint32)
|
|
case uint64:
|
|
sum = x + y.(uint64)
|
|
}
|
|
ctx[fn] = sum
|
|
return
|
|
}
|
|
|
|
func builtinTimeIn(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
switch x := arg[0].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case time.Time:
|
|
switch y := arg[1].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case string:
|
|
loc := time.Local
|
|
switch y {
|
|
case "local":
|
|
default:
|
|
loc, err = time.LoadLocation(y)
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
|
|
return x.In(loc), nil
|
|
default:
|
|
return nil, invArg(x, "timeIn")
|
|
}
|
|
default:
|
|
return nil, invArg(x, "timeIn")
|
|
}
|
|
}
|
|
|
|
func builtinWeekday(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
switch x := arg[0].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case time.Time:
|
|
return int64(x.Weekday()), nil
|
|
default:
|
|
return nil, invArg(x, "weekday")
|
|
}
|
|
}
|
|
|
|
func builtinYear(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
switch x := arg[0].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case time.Time:
|
|
return int64(x.Year()), nil
|
|
default:
|
|
return nil, invArg(x, "year")
|
|
}
|
|
}
|
|
|
|
func builtinYearday(arg []interface{}, ctx map[interface{}]interface{}) (v interface{}, err error) {
|
|
switch x := arg[0].(type) {
|
|
case nil:
|
|
return nil, nil
|
|
case time.Time:
|
|
return int64(x.YearDay()), nil
|
|
default:
|
|
return nil, invArg(x, "yearDay")
|
|
}
|
|
}
|