use crate::common::*; /// A single function parameter #[derive(PartialEq, Debug, Clone)] pub(crate) struct Parameter<'src> { /// The parameter name pub(crate) name: Name<'src>, /// The kind of parameter pub(crate) kind: ParameterKind, /// An optional default expression pub(crate) default: Option>, /// Export parameter as environment variable pub(crate) export: bool, } impl<'src> ColorDisplay for Parameter<'src> { fn fmt(&self, f: &mut Formatter, color: Color) -> Result<(), fmt::Error> { if self.export { write!(f, "$")?; } if let Some(prefix) = self.kind.prefix() { write!(f, "{}", color.annotation().paint(prefix))?; } write!(f, "{}", color.parameter().paint(self.name.lexeme()))?; if let Some(ref default) = self.default { write!(f, "={}", color.string().paint(&default.to_string()))?; } Ok(()) } }