chromium/mojo/public/cpp/bindings/lib/template_util.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_TEMPLATE_UTIL_H_
#define MOJO_PUBLIC_CPP_BINDINGS_LIB_TEMPLATE_UTIL_H_

#include <type_traits>

namespace mojo::internal {

// A helper template to determine if given type is non-const move-only-type,
// i.e. if a value of the given type should be passed via std::move() in a
// destructive way.
template <typename T>
struct IsMoveOnlyType { … };

template <template <typename...> class Template, typename T>
struct IsSpecializationOf : std::false_type { … };

IsSpecializationOf<Template, Template<Args...>>;

template <typename T>
struct AlwaysFalse { … };

}  // namespace mojo::internal

#endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_TEMPLATE_UTIL_H_