| # Copyright 2020 The Tint Authors. | 
 | # | 
 | # Licensed under the Apache License, Version 2.0 (the "License"); | 
 | # you may not use this file except in compliance with the License. | 
 | # You may obtain a copy of the License at | 
 | # | 
 | #     http://www.apache.org/licenses/LICENSE-2.0 | 
 | # | 
 | # Unless required by applicable law or agreed to in writing, software | 
 | # distributed under the License is distributed on an "AS IS" BASIS, | 
 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 | # See the License for the specific language governing permissions and | 
 | # limitations under the License. | 
 |  | 
 | # Vertex shader | 
 | var<private> a : i32; | 
 |  | 
 | fn main() -> void { | 
 |   a = 2; | 
 |   return; | 
 | } | 
 | entry_point vertex as "main" = main; | 
 |  |