diff options
Diffstat (limited to 'compiler/rustc_ast/src/ast.rs')
| -rw-r--r-- | compiler/rustc_ast/src/ast.rs | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 2f55a9eaeda..69ba78282f9 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -627,9 +627,11 @@ 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 @@ -839,6 +841,9 @@ 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>), |