Add negatable tag to set a bool to be negatable.

If negatable, add `--[no-]` prefix to help.
2021-02-18 10:55:55 -05:00
parent 2a0d7af9c5
commit 2fdddc4f51
7 changed files with 34 additions and 5 deletions
@@ -29,6 +29,7 @@ func TestHelp(t *testing.T) {
 		Slice    []string       `help:"A slice of strings." placeholder:"STR"`
 		Map      map[string]int `help:"A map of strings to ints."`
 		Required bool           `required help:"A required flag."`
+		Sort     bool           `negatable help:"Is sortable or not."`

 		One struct {
 			Flag string `help:"Nested flag."`
@@ -75,6 +76,7 @@ Flags:
      --slice=STR,...        A slice of strings.
      --map=KEY=VALUE;...    A map of strings to ints.
      --required             A required flag.
+      --[no-]sort            Is sortable or not.

 Commands:
  one --required
@@ -115,6 +117,7 @@ Flags:
      --slice=STR,...        A slice of strings.
      --map=KEY=VALUE;...    A map of strings to ints.
      --required             A required flag.
+      --[no-]sort            Is sortable or not.

      --flag=STRING          Nested flag under two.
      --required-two