More data types. Each in a separate file.

1 files changed, 70 insertions, 0 deletions

diff --git a/bool.go b/bool.go
new file mode 100644
index 0000000..4fd891a
--- /dev/null
+++ b/bool.go
@@ -0,0 +1,70 @@
+package pflag
+
+import (
+	"fmt"
+	"strconv"
+)
+
+// -- bool Value
+type boolValue bool
+
+func newBoolValue(val bool, p *bool) *boolValue {
+	*p = val
+	return (*boolValue)(p)
+}
+
+func (b *boolValue) Set(s string) error {
+	v, err := strconv.ParseBool(s)
+	*b = boolValue(v)
+	return err
+}
+
+func (b *boolValue) String() string { return fmt.Sprintf("%v", *b) }
+
+// BoolVar defines a bool flag with specified name, default value, and usage string.
+// The argument p points to a bool variable in which to store the value of the flag.
+func (f *FlagSet) BoolVar(p *bool, name string, value bool, usage string) {
+	f.VarP(newBoolValue(value, p), name, "", usage)
+}
+
+// Like BoolVar, but accepts a shorthand letter that can be used after a single dash.
+func (f *FlagSet) BoolVarP(p *bool, name, shorthand string, value bool, usage string) {
+	f.VarP(newBoolValue(value, p), name, shorthand, usage)
+}
+
+// BoolVar defines a bool flag with specified name, default value, and usage string.
+// The argument p points to a bool variable in which to store the value of the flag.
+func BoolVar(p *bool, name string, value bool, usage string) {
+	commandLine.VarP(newBoolValue(value, p), name, "", usage)
+}
+
+// Like BoolVar, but accepts a shorthand letter that can be used after a single dash.
+func BoolVarP(p *bool, name, shorthand string, value bool, usage string) {
+	commandLine.VarP(newBoolValue(value, p), name, shorthand, usage)
+}
+
+// Bool defines a bool flag with specified name, default value, and usage string.
+// The return value is the address of a bool variable that stores the value of the flag.
+func (f *FlagSet) Bool(name string, value bool, usage string) *bool {
+	p := new(bool)
+	f.BoolVarP(p, name, "", value, usage)
+	return p
+}
+
+// Like Bool, but accepts a shorthand letter that can be used after a single dash.
+func (f *FlagSet) BoolP(name, shorthand string, value bool, usage string) *bool {
+	p := new(bool)
+	f.BoolVarP(p, name, shorthand, value, usage)
+	return p
+}
+
+// Bool defines a bool flag with specified name, default value, and usage string.
+// The return value is the address of a bool variable that stores the value of the flag.
+func Bool(name string, value bool, usage string) *bool {
+	return commandLine.BoolP(name, "", value, usage)
+}
+
+// Like Bool, but accepts a shorthand letter that can be used after a single dash.
+func BoolP(name, shorthand string, value bool, usage string) *bool {
+	return commandLine.BoolP(name, shorthand, value, usage)
+}