rune/ast/
fn_arg.rs

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1use crate::ast::prelude::*;
2
3#[test]
4#[cfg(not(miri))]
5fn ast_parse() {
6    rt::<ast::FnArg>("self");
7    rt::<ast::FnArg>("_");
8    rt::<ast::FnArg>("abc");
9}
10
11/// A single argument in a closure.
12#[derive(Debug, TryClone, PartialEq, Eq, ToTokens, Spanned)]
13#[non_exhaustive]
14pub enum FnArg {
15    /// The `self` parameter.
16    SelfValue(T![self]),
17    /// Function argument is a pattern binding.
18    Pat(ast::Pat),
19}
20
21impl Parse for FnArg {
22    fn parse(p: &mut Parser<'_>) -> Result<Self> {
23        Ok(match p.nth(0)? {
24            K![self] => Self::SelfValue(p.parse()?),
25            _ => Self::Pat(p.parse()?),
26        })
27    }
28}
rune/ast/fn_arg.rs

rune/ast/
fn_arg.rs
