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Diffstat (limited to 'src/libsyntax')
| -rw-r--r-- | src/libsyntax/ast.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs index 88bfb8ccb95..5f38ac4cc0f 100644 --- a/src/libsyntax/ast.rs +++ b/src/libsyntax/ast.rs @@ -279,6 +279,11 @@ pub enum TraitBoundModifier { /// `?const Trait` MaybeConst, + + /// `?const ?Trait` + // + // This parses but will be rejected during AST validation. + MaybeConstMaybe, } /// The AST represents all type param bounds as types. |