| // Copyright 2024 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_AUTOFILL_CORE_COMMON_IS_REQUIRED_H_ |
| #define COMPONENTS_AUTOFILL_CORE_COMMON_IS_REQUIRED_H_ |
| |
| namespace autofill::internal { |
| |
| // Auxiliary type to mark members of a struct as required: |
| // |
| // struct Foo { |
| // int bar = IsRequired(); |
| // }; |
| struct IsRequired { |
| // This function is not defined and consteval. Therefore, any evaluation will |
| // fail and fail at compile time. |
| template <typename T> |
| consteval operator T(); // NOLINT |
| }; |
| |
| } // namespace autofill::internal |
| |
| #endif // COMPONENTS_AUTOFILL_CORE_COMMON_IS_REQUIRED_H_ |
