use crate::ast::prelude::*;
#[test]
#[cfg(not(miri))]
fn ast_parse() {
rt::<ast::Type>("Bar");
rt::<ast::Type>("one::two::three::four::Five");
rt::<ast::Type>("Self");
rt::<ast::Type>("(one::One, two::Two)");
rt::<ast::Type>("(one::One, (two::Two, three::Three))");
}
/// A type, used for static typing.
#[derive(Debug, TryClone, PartialEq, Eq, ToTokens, Spanned)]
#[non_exhaustive]
pub enum Type {
/// If the type is an identifier or a path.
Path(ast::Path),
/// If the type should return nothing (a.k.a the "never" type in Rust).
Bang(T![!]),
/// If the type is a tuple.
Tuple(ast::Parenthesized<Box<Type>, T![,]>),
}
impl Parse for Type {
fn parse(p: &mut Parser<'_>) -> Result<Self> {
let segment = match p.nth(0)? {
K![!] => Self::Bang(p.parse()?),
K!['('] => Self::Tuple(p.parse()?),
_ => Self::Path(p.parse()?),
};
Ok(segment)
}
}