bjoernager/rust
bjoernager/rust
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add guard pattern AST node

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This commit is contained in:
Max Niederman 2024-08-22 16:49:45 -07:00 • committed by Nadrieril
parent 35bbc45f16
commit 9b8bfed73b
7 changed files with 26 additions and 4 deletions
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11
compiler/rustc_ast/src/ast.rs
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@ -632,9 +632,11 @@ impl Pat {
| PatKind::Or(s) => s.iter().for_each(|p| p.walk(it)),
// Trivial wrappers over inner patterns.
PatKind::Box(s) | PatKind::Deref(s) | PatKind::Ref(s, _) | PatKind::Paren(s) => {
s.walk(it)
}
PatKind::Box(s)
| PatKind::Deref(s)
| PatKind::Ref(s, _)
| PatKind::Paren(s)
| PatKind::Guard(s, _) => s.walk(it),
// These patterns do not contain subpatterns, skip.
PatKind::Wild
@ -844,6 +846,9 @@ pub enum PatKind {
// A never pattern `!`.
Never,
/// A guard pattern (e.g., `x if guard(x)`).
Guard(P<Pat>, P<Expr>),
/// Parentheses in patterns used for grouping (i.e., `(PAT)`).
Paren(P<Pat>),