text: // Copyright (C) 2017 Google Inc.
  //
  // 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.
  
  package codegen
  
  import "fmt"
  
  func assertTypesEqual(x, y Type) {
  	if x != y {
  		panic(fmt.Errorf("Arguments have differing types: %v and %v", x.TypeName(), y.TypeName()))
  	}
  }
  
  func assertVectorsSameLength(x, y Type) {
  	vecX, ok := x.(Vector)
  	if !ok {
  		return
  	}
  	vecY, ok := y.(Vector)
  	if !ok {
  		return
  	}
  	if vecX.Count != vecY.Count {
  		panic(fmt.Errorf("Expected vectors of same length, got %v and %v", x.TypeName(), y.TypeName()))
  	}
  }
  