Update error message with too many parameters

diff --git a/src/librustc_ast_lowering/expr.rs b/src/librustc_ast_lowering/expr.rs
index 0c4cfa1f6505a89493d0f56e24ca1b5b4ca195f7..dd3316979f6a2206bcdd209158bdc5ca74272aa8 100644 (file)
--- a/src/librustc_ast_lowering/expr.rs
+++ b/src/librustc_ast_lowering/expr.rs
@@ -693,7 +693,7 @@ fn generator_movability_for_fn(
                         self.sess,
                         fn_decl_span,
                         E0628,
-                        "too many parameters for generator (expected 0 or 1 parameters)"
+                        "too many parameters for a generator (expected 0 or 1 parameters)"
                     )
                     .emit();
                 }

diff --git a/src/test/ui/generator/too-many-parameters.rs b/src/test/ui/generator/too-many-parameters.rs
index a0a27d906824105e093c04819945d7ca606c7580..7a353ea298b26c5c7ce2ac24be6961678c7c32de 100644 (file)
--- a/src/test/ui/generator/too-many-parameters.rs
+++ b/src/test/ui/generator/too-many-parameters.rs
@@ -1,7 +1,8 @@
 #![feature(generators)]
 
 fn main() {
-    |(), ()| {  //~ error: too many parameters for generator
+    |(), ()| {
+        //~^ error: too many parameters for a generator
         yield;
     };
 }

diff --git a/src/test/ui/generator/too-many-parameters.stderr b/src/test/ui/generator/too-many-parameters.stderr
index 0dbe5f3f6fde9174e4ceb5ffe8b0de171cd485b5..a297ee43de9695dc0e7a5c7e32de0126b1130eba 100644 (file)
--- a/src/test/ui/generator/too-many-parameters.stderr
+++ b/src/test/ui/generator/too-many-parameters.stderr
@@ -1,4 +1,4 @@
-error[E0628]: too many parameters for generator (expected 0 or 1 parameters)
+error[E0628]: too many parameters for a generator (expected 0 or 1 parameters)
   --> $DIR/too-many-parameters.rs:4:5
    |
 LL |     |(), ()| {