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Merge pull request #4978 from clap-rs/colorchoice-values

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Improve colorchoice enum
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Ed Page 2023-06-20 11:13:31 -05:00 committed by GitHub
commit 4aff61dd01
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1 changed files with 12 additions and 5 deletions
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17
clap_builder/src/util/color.rs
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@ -64,6 +64,15 @@ pub enum ColorChoice {
Never,
}
impl ColorChoice {
/// Report all `possible_values`
pub fn possible_values() -> impl Iterator<Item = PossibleValue> {
Self::value_variants()
.iter()
.filter_map(ValueEnum::to_possible_value)
}
}
impl Default for ColorChoice {
fn default() -> Self {
Self::Auto
@ -99,11 +108,9 @@ impl ValueEnum for ColorChoice {
fn to_possible_value(&self) -> Option<PossibleValue> {
Some(match self {
Self::Auto => {
PossibleValue::new("auto").help("Use colored output if writing to a terminal/TTY")
}
Self::Always => PossibleValue::new("always").help("Always use colored output"),
Self::Never => PossibleValue::new("never").help("Never use colored output"),
Self::Auto => PossibleValue::new("auto"),
Self::Always => PossibleValue::new("always"),
Self::Never => PossibleValue::new("never"),
})
}
}