diff options
| author | spf13 <[email protected]> | 2014-06-27 09:29:20 -0400 |
|---|---|---|
| committer | spf13 <[email protected]> | 2014-06-27 09:29:20 -0400 |
| commit | b9035d0aef89271f98c3a2435e9cc614ffe5e81e (patch) | |
| tree | a47a1b482eced55d5af0d60065b87c590ff75868 /float32.go | |
| parent | 94e98a55fb412fcbcfc302555cb990f5e1590627 (diff) | |
| parent | e4f7d00f344b0954fa3791a8527d10ba7334eceb (diff) | |
Merge branch 'master' of https://github.com/ogier/pflag
Conflicts:
flag.go
Diffstat (limited to 'float32.go')
| -rw-r--r-- | float32.go | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/float32.go b/float32.go new file mode 100644 index 0000000..a0041e2 --- /dev/null +++ b/float32.go @@ -0,0 +1,70 @@ +package pflag + +import ( + "fmt" + "strconv" +) + +// -- float32 Value +type float32Value float32 + +func newFloat32Value(val float32, p *float32) *float32Value { + *p = val + return (*float32Value)(p) +} + +func (f *float32Value) Set(s string) error { + v, err := strconv.ParseFloat(s, 32) + *f = float32Value(v) + return err +} + +func (f *float32Value) String() string { return fmt.Sprintf("%v", *f) } + +// Float32Var defines a float32 flag with specified name, default value, and usage string. +// The argument p points to a float32 variable in which to store the value of the flag. +func (f *FlagSet) Float32Var(p *float32, name string, value float32, usage string) { + f.VarP(newFloat32Value(value, p), name, "", usage) +} + +// Like Float32Var, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Float32VarP(p *float32, name, shorthand string, value float32, usage string) { + f.VarP(newFloat32Value(value, p), name, shorthand, usage) +} + +// Float32Var defines a float32 flag with specified name, default value, and usage string. +// The argument p points to a float32 variable in which to store the value of the flag. +func Float32Var(p *float32, name string, value float32, usage string) { + CommandLine.VarP(newFloat32Value(value, p), name, "", usage) +} + +// Like Float32Var, but accepts a shorthand letter that can be used after a single dash. +func Float32VarP(p *float32, name, shorthand string, value float32, usage string) { + CommandLine.VarP(newFloat32Value(value, p), name, shorthand, usage) +} + +// Float32 defines a float32 flag with specified name, default value, and usage string. +// The return value is the address of a float32 variable that stores the value of the flag. +func (f *FlagSet) Float32(name string, value float32, usage string) *float32 { + p := new(float32) + f.Float32VarP(p, name, "", value, usage) + return p +} + +// Like Float32, but accepts a shorthand letter that can be used after a single dash. +func (f *FlagSet) Float32P(name, shorthand string, value float32, usage string) *float32 { + p := new(float32) + f.Float32VarP(p, name, shorthand, value, usage) + return p +} + +// Float32 defines a float32 flag with specified name, default value, and usage string. +// The return value is the address of a float32 variable that stores the value of the flag. +func Float32(name string, value float32, usage string) *float32 { + return CommandLine.Float32P(name, "", value, usage) +} + +// Like Float32, but accepts a shorthand letter that can be used after a single dash. +func Float32P(name, shorthand string, value float32, usage string) *float32 { + return CommandLine.Float32P(name, shorthand, value, usage) +} |
