Give check, children, column, columns, draw, drawn, fields, format, head, index, key, n, name, named, names, null, number, op, reads, record, root, row, t and whole one meaning each

builtins_test.go

@@ -194,7 +194,7 @@ func TestRegistryShapes(t *testing.T) {
 		if b.prep == nil {
 			t.Errorf("builtin %q has no prep: compileOps would call a nil func", name)
 		}
-		if b.arity != 0 && b.check == nil {
+		if b.arity != 0 && b.checkArgs == nil {
 			t.Errorf("builtin %q parses args in prep with no check", name)
 		}
 	}