Adopt let else in more places

1 files changed, 14 insertions, 17 deletions

diff --git a/compiler/rustc_expand/src/module.rs b/compiler/rustc_expand/src/module.rs
index e9532dbe2ce..aa54bdbd3a7 100644
--- a/compiler/rustc_expand/src/module.rs
+++ b/compiler/rustc_expand/src/module.rs
@@ -170,23 +170,20 @@ fn mod_file_path_from_attr(
 ) -> Option<PathBuf> {
     // Extract path string from first `#[path = "path_string"]` attribute.
     let first_path = attrs.iter().find(|at| at.has_name(sym::path))?;
-    let path_sym = match first_path.value_str() {
-        Some(s) => s,
-        None => {
-            // This check is here mainly to catch attempting to use a macro,
-            // such as #[path = concat!(...)]. This isn't currently supported
-            // because otherwise the InvocationCollector would need to defer
-            // loading a module until the #[path] attribute was expanded, and
-            // it doesn't support that (and would likely add a bit of
-            // complexity). Usually bad forms are checked in AstValidator (via
-            // `check_builtin_attribute`), but by the time that runs the macro
-            // is expanded, and it doesn't give an error.
-            validate_attr::emit_fatal_malformed_builtin_attribute(
-                &sess.parse_sess,
-                first_path,
-                sym::path,
-            );
-        }
+    let Some(path_sym) = first_path.value_str() else {
+        // This check is here mainly to catch attempting to use a macro,
+        // such as #[path = concat!(...)]. This isn't currently supported
+        // because otherwise the InvocationCollector would need to defer
+        // loading a module until the #[path] attribute was expanded, and
+        // it doesn't support that (and would likely add a bit of
+        // complexity). Usually bad forms are checked in AstValidator (via
+        // `check_builtin_attribute`), but by the time that runs the macro
+        // is expanded, and it doesn't give an error.
+        validate_attr::emit_fatal_malformed_builtin_attribute(
+            &sess.parse_sess,
+            first_path,
+            sym::path,
+        );
     };
 
     let path_str = path_sym.as_str();