Introduce if-let guards in the HIR

2020-10-24 21:13:54 +02:00
parent a68864b688
commit 77d80b22f1
6 changed files with 24 additions and 15 deletions
--- a/compiler/rustc_hir/src/hir.rs
+++ b/compiler/rustc_hir/src/hir.rs
@@ -1160,6 +1160,7 @@ pub struct Arm<'hir> {
 #[derive(Debug, HashStable_Generic)]
 pub enum Guard<'hir> {
    If(&'hir Expr<'hir>),
+    IfLet(&'hir Pat<'hir>, &'hir Expr<'hir>),
 }

 #[derive(Debug, HashStable_Generic)]