optional.h

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//
// Copyright (C) 2026 The Android Open Source Project
//
// 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 <optional>
#include <string>
 
#include "absl/strings/str_cat.h"
 
#include "cuttlefish/pretty/pretty.h"
 
namespace cuttlefish {
 
template <typename T>
std::string Pretty(const std::optional<T>& value,
                   PrettyAdlPlaceholder unused = PrettyAdlPlaceholder()) {
  return value.has_value()
             ? absl::StrCat(Pretty(*value, PrettyAdlPlaceholder()))
             : "(absent)";
}
 
}  // namespace cuttlefish