fix error message

2020-11-25 15:51:31 +09:00 · 2020-11-25 15:51:31 +09:00 · d43d4acf26
commit d43d4acf26
parent a79fe07db6
1 changed files with 1 additions and 1 deletions
--- a/ractor.c
+++ b/ractor.c
@ -821,7 +821,7 @@ ractor_select(rb_execution_context_t *ec, const VALUE *rs, int alen, VALUE yield
            wait_status |= wait_taking;
        }
        else {
-            rb_raise(rb_eArgError, "It should be ractor objects");
+            rb_raise(rb_eArgError, "should be a ractor object, but %"PRIsVALUE, v);
        }
    }
    rs = NULL;