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use super::*;
#[derive(Debug, Clone, PartialEq, Eq, IntoOwned, Borrowed)]
pub enum Pat<'a> {
Paren(Box<Pat<'a>>),
Ident(Ident<'a>),
}
impl<'a> Pat<'a> {
pub fn validate(&self) -> Result<(), ValidationError> {
match self {
Pat::Paren(pat) => pat.validate(),
Pat::Ident(_) => Ok(()),
}
}
}
#[derive(Debug, Clone, PartialEq, Eq, IntoOwned, Borrowed)]
pub enum DestrPat<'a> {
Index {
base: Box<DestrPat<'a>>,
index: Box<Expr<'a>>,
},
Field {
base: Box<DestrPat<'a>>,
field: Ident<'a>,
},
Paren(Box<DestrPat<'a>>),
Path(Path<'a>),
}
impl<'a> DestrPat<'a> {
pub fn validate(&self) -> Result<(), ValidationError> {
match self {
DestrPat::Index { base, index } => {
base.validate()?;
index.validate()?;
Ok(())
}
DestrPat::Field { base, field: _ } => base.validate(),
DestrPat::Paren(pat) => pat.validate(),
DestrPat::Path(_) => Ok(()),
}
}
}
impl<'a> From<Pat<'a>> for DestrPat<'a> {
fn from(value: Pat<'a>) -> Self {
match value {
Pat::Paren(pat) => DestrPat::Paren(Box::new((*pat).into())),
Pat::Ident(ident) => DestrPat::Path(Path {
root: PathRoot::Relative,
components: vec![ident],
}),
}
}
}
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