use crate::common::*; /// A single function parameter #[derive(PartialEq, Debug)] 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>, } impl<'src> Display for Parameter<'src> { fn fmt(&self, f: &mut Formatter) -> Result<(), fmt::Error> { let color = Color::fmt(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(()) } }