bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-ty/src/mir/eval.rs')
-rw-r--r--crates/hir-ty/src/mir/eval.rs13
1 files changed, 12 insertions, 1 deletions
diff --git a/crates/hir-ty/src/mir/eval.rs b/crates/hir-ty/src/mir/eval.rs
index 045ffb418c..2de1aa30c9 100644
--- a/crates/hir-ty/src/mir/eval.rs
+++ b/crates/hir-ty/src/mir/eval.rs
@@ -428,6 +428,17 @@ impl MirEvalError {
}
Ok(())
}
+
+ pub fn is_panic(&self) -> Option<&str> {
+ let mut err = self;
+ while let MirEvalError::InFunction(e, _) = err {
+ err = e;
+ }
+ match err {
+ MirEvalError::Panic(msg) => Some(msg),
+ _ => None,
+ }
+ }
}
impl std::fmt::Debug for MirEvalError {
@@ -1138,7 +1149,7 @@ impl Evaluator<'_> {
let mut ty = self.operand_ty(lhs, locals)?;
while let TyKind::Ref(_, _, z) = ty.kind(Interner) {
ty = z.clone();
- let size = if ty.kind(Interner) == &TyKind::Str {
+ let size = if ty.is_str() {
if *op != BinOp::Eq {
never!("Only eq is builtin for `str`");
}