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https://github.com/clap-rs/clap
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Improve colorchoice enum
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482012abae
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cfd1d22e26
1 changed files with 12 additions and 5 deletions
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@ -64,6 +64,15 @@ pub enum ColorChoice {
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Never,
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}
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impl ColorChoice {
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/// Report all `possible_values`
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pub fn possible_values() -> impl Iterator<Item = PossibleValue> {
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Self::value_variants()
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.iter()
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.filter_map(ValueEnum::to_possible_value)
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}
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}
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impl Default for ColorChoice {
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fn default() -> Self {
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Self::Auto
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@ -99,11 +108,9 @@ impl ValueEnum for ColorChoice {
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fn to_possible_value(&self) -> Option<PossibleValue> {
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Some(match self {
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Self::Auto => {
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PossibleValue::new("auto").help("Use colored output if writing to a terminal/TTY")
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}
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Self::Always => PossibleValue::new("always").help("Always use colored output"),
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Self::Never => PossibleValue::new("never").help("Never use colored output"),
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Self::Auto => PossibleValue::new("auto"),
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Self::Always => PossibleValue::new("always"),
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Self::Never => PossibleValue::new("never"),
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})
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}
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}
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