github.com/mdempsky/go@v0.0.0-20151201204031-5dd372bd1e70/src/strconv/atob.go (about)

     1  // Copyright 2009 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package strconv
     6  
     7  // ParseBool returns the boolean value represented by the string.
     8  // It accepts 1, t, T, TRUE, true, True, 0, f, F, FALSE, false, False.
     9  // Any other value returns an error.
    10  func ParseBool(str string) (value bool, err error) {
    11  	switch str {
    12  	case "1", "t", "T", "true", "TRUE", "True":
    13  		return true, nil
    14  	case "0", "f", "F", "false", "FALSE", "False":
    15  		return false, nil
    16  	}
    17  	return false, syntaxError("ParseBool", str)
    18  }
    19  
    20  // FormatBool returns "true" or "false" according to the value of b
    21  func FormatBool(b bool) string {
    22  	if b {
    23  		return "true"
    24  	}
    25  	return "false"
    26  }
    27  
    28  // AppendBool appends "true" or "false", according to the value of b,
    29  // to dst and returns the extended buffer.
    30  func AppendBool(dst []byte, b bool) []byte {
    31  	if b {
    32  		return append(dst, "true"...)
    33  	}
    34  	return append(dst, "false"...)
    35  }