Improve recovery for incomplete lambdas

2019-12-17 12:11:01 +01:00
parent cb79e30d53
commit 3e2f4e4293
3 changed files with 94 additions and 1 deletions
--- a/crates/ra_parser/src/grammar/expressions/atom.rs
+++ b/crates/ra_parser/src/grammar/expressions/atom.rs
@@ -248,7 +248,12 @@ fn lambda_expr(p: &mut Parser) -> CompletedMarker {
            p.error("expected `{`");
        }
    }
-    expr(p);
+
+    if p.at_ts(EXPR_FIRST) {
+        expr(p);
+    } else {
+        p.error("expected expression");
+    }
    m.complete(p, LAMBDA_EXPR)
 }