rune/ast/
to_ast.rs

1use crate::compile::Result;
2
3use super::{Expectation, Kind, Span};
4
5/// Helper trait to coerce a kind into ast.
6pub(crate) trait ToAst
7where
8    Self: Sized,
9{
10    /// Coerce a value into ast.
11    fn to_ast(span: Span, kind: Kind) -> Result<Self>;
12
13    /// Test if the given ast matches.
14    fn matches(kind: &Kind) -> bool;
15
16    /// Get the expectation for this type.
17    fn into_expectation() -> Expectation;
18}