tuple_map.carbon 458 B

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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
  2. // Exceptions. See /LICENSE for license information.
  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  4. //
  5. // AUTOUPDATE
  6. // CHECK:STDOUT: result: 1
  7. package ExplorerTest api;
  8. fn map[T:! type](f: __Fn (T) -> T, tuple: (T, T)) -> (T, T) {
  9. return (f(tuple[0]), f(tuple[1]));
  10. }
  11. fn inc(x: i32) -> i32 { return x + 1; }
  12. fn Main() -> i32 {
  13. return map(inc, (0, 2))[0];
  14. }