// 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
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/convert.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interface/fail_todo_generic_default_fn.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interface/fail_todo_generic_default_fn.carbon

interface I(T:! type) {
  // TODO: Use `default` here.
  fn F[ref self: Self]() -> Self*;
}

// CHECK:STDERR: fail_todo_generic_default_fn.carbon:[[@LINE+7]]:16: error: duplicate name `F` being declared in the same scope [NameDeclDuplicate]
// CHECK:STDERR: fn I(T:! type).F[ref self: Self]() -> Self* { return &self; }
// CHECK:STDERR:                ^
// CHECK:STDERR: fail_todo_generic_default_fn.carbon:[[@LINE-6]]:3: note: name is previously declared here [NameDeclPrevious]
// CHECK:STDERR:   fn F[ref self: Self]() -> Self*;
// CHECK:STDERR:   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
fn I(T:! type).F[ref self: Self]() -> Self* { return &self; }