Add pattern types to ast

2023-01-30 09:50:16 +00:00
parent 0e5f520788
commit fc27a91880
7 changed files with 26 additions and 1 deletions
--- a/compiler/rustc_ast/src/ast.rs
+++ b/compiler/rustc_ast/src/ast.rs
@@ -2152,6 +2152,9 @@ pub enum TyKind {
    MacCall(P<MacCall>),
    /// Placeholder for a `va_list`.
    CVarArgs,
+    /// Pattern types like `u32 as 1..=`, which is the same as `NonZeroU32`,
+    /// just as part of the type system.
+    Pat(P<Ty>, P<Pat>),
    /// Sometimes we need a dummy value when no error has occurred.
    Dummy,
    /// Placeholder for a kind that has failed to be defined.