stringlistflag

package
v0.0.0-...-864d242 Latest Latest
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Published: Dec 3, 2024 License: Apache-2.0 Imports: 3 Imported by: 16

Documentation

Overview

Package stringlistflag provides a flag.Value implementation which resolves multiple args into a []string.

Example

Example demonstrates how to use stringlistflag.

list := Flag{}

fs := flag.NewFlagSet("test", flag.ContinueOnError)
fs.Var(&list, "color", "favorite color, may be repeated.")
fs.SetOutput(os.Stdout)

fs.PrintDefaults()

// Flag parsing.
fs.Parse([]string{"-color", "Violet", "-color", "Red", "-color", "Violet"})
fmt.Printf("Value is: %s\n", list)
Output:

-color value
    	favorite color, may be repeated.
Value is: Violet, Red, Violet

Index

Examples

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Flag

type Flag []string

Flag is a flag.Value implementation which represents an ordered set of strings.

For example, this allows you to construct a flag that would behave like:

-myflag Foo
-myflag Bar
-myflag Bar

And then myflag would be []string{"Foo", "Bar", "Bar"}

func (*Flag) Set

func (f *Flag) Set(val string) error

Set implements flag.Value's Set function.

func (Flag) String

func (f Flag) String() string

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