invocation_concepts.h

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/*  Copyright (c) SILVERCODERS Ltd, http://silvercoders.com                                                                                  */
/*  Project homepage: https://github.com/docwire/docwire                                                                                     */
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/*  SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-DocWire-Commercial                                                                  */
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#ifndef DOCWIRE_INVOCATION_CONCEPTS_H
#define DOCWIRE_INVOCATION_CONCEPTS_H
 
#include "invocation_traits.h"
 
namespace docwire::invocation_concepts
{
 
template <typename T>
concept invocable = invocation_traits::is_invocable_v<T>;
 
template <typename T>
concept not_invocable = not invocable<T>;
 
template <typename T>
concept pushable = requires(T&& t) {
  { t.push_back(std::declval<typename std::remove_reference_t<T>::value_type>()) };
};
 
} // namespace docwire::invocation_concepts
 
#endif //DOCWIRE_INVOCATION_CONCEPTS_H