Add Span to StmtKind::Let.

2023-02-26 21:35:54 +00:00
parent 28d74a9b72
commit 3b47cdc439
6 changed files with 71 additions and 2 deletions
--- a/compiler/rustc_middle/src/mir/mod.rs
+++ b/compiler/rustc_middle/src/mir/mod.rs
@@ -1984,6 +1984,13 @@ impl<'tcx> Rvalue<'tcx> {
 }

 impl BorrowKind {
+    pub fn mutability(&self) -> Mutability {
+        match *self {
+            BorrowKind::Shared | BorrowKind::Shallow | BorrowKind::Unique => Mutability::Not,
+            BorrowKind::Mut { .. } => Mutability::Mut,
+        }
+    }
+
    pub fn allows_two_phase_borrow(&self) -> bool {
        match *self {
            BorrowKind::Shared | BorrowKind::Shallow | BorrowKind::Unique => false,