cas.hxx

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/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 *   Copyright 2020-Present Couchbase, Inc.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */
 
#pragma once
 
#include <couchbase/cas.hxx>
 
#include <fmt/core.h>
 
#ifdef COUCHBASE_CXX_CLIENT_DOXYGEN
namespace fmt
{
}
#endif
 
template<>
struct fmt::formatter<couchbase::cas> {
  template<typename ParseContext>
  constexpr auto parse(ParseContext& ctx)
  {
    return ctx.begin();
  }
 
  template<typename FormatContext>
  auto format(const couchbase::cas& cas, FormatContext& ctx) const
  {
    return format_to(ctx.out(), "{:016x}", cas.value());
  }
};