carbon-lang/explorer/testdata/addr/fail-method-let.carbon

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// RUN: %{not} %{explorer} %s 2>&1 | \
// RUN:   %{FileCheck} --match-full-lines --allow-unused-prefixes=false %s
// RUN: %{not} %{explorer} --parser_debug --trace_file=- %s 2>&1 | \
// RUN:   %{FileCheck} --match-full-lines --allow-unused-prefixes %s
// AUTOUPDATE: %{explorer} %s

package ExplorerTest api;

class Point {

  fn Origin() -> Point {
    return {.x = 0, .y = 0};
  }

  fn GetSetX[addr me: Point*](x: i32) -> i32 {
    var old: auto = (*me).x;
    (*me).x = x;
    return old;
  }

  var x: i32;
  var y: i32;
}

fn Main() -> i32 {
  let p: Point = Point.Origin();
  // CHECK: COMPILATION ERROR: {{.*}}/explorer/testdata/addr/fail-method-let.carbon:[[@LINE+1]]: method GetSetX requires its receiver to be an lvalue
  var x: auto = p.GetSetX(42);
  if (p.x == 42) {
    return x;
  }
  return 1;
}