Imported Upstream version 1.4upstream/1.4

1 files changed, 35 insertions, 0 deletions

diff --git a/src/strconv/atob.go b/src/strconv/atob.go
new file mode 100644
index 000000000..d0cb09721
--- /dev/null
+++ b/src/strconv/atob.go
@@ -0,0 +1,35 @@
+// 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) (value bool, err 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, syntaxError("ParseBool", str)
+}
+
+// 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"...)
+}