| // Copyright 2009 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| package strconv | |
| // ParseBool returns the boolean value represented by the string. | |
| // It accepts 1, t, T, TRUE, true, True, 0, f, F, FALSE, false, False. | |
| // Any other value returns an error. | |
| func ParseBool(str string) (bool, error) { | |
| switch str { | |
| case "1", "t", "T", "true", "TRUE", "True": | |
| return true, nil | |
| case "0", "f", "F", "false", "FALSE", "False": | |
| return false, nil | |
| } | |
| return false, ErrSyntax | |
| } | |
| // FormatBool returns "true" or "false" according to the value of b. | |
| func FormatBool(b bool) string { | |
| if b { | |
| return "true" | |
| } | |
| return "false" | |
| } | |
| // AppendBool appends "true" or "false", according to the value of b, | |
| // to dst and returns the extended buffer. | |
| func AppendBool(dst []byte, b bool) []byte { | |
| if b { | |
| return append(dst, "true"...) | |
| } | |
| return append(dst, "false"...) | |
| } | |