mirror of
https://github.com/zhigang1992/react-native.git
synced 2026-05-07 13:05:18 +08:00
9570d7d490
Summary: I was watching a classic magnificent talk about modern C++ by Herb Sutter and I was totally sold on double down on using `auto` in our codebase. Surprisingly, 95% of the code base already follows Herb's guidence; I just changed the last 5% to make it consistent. All those changes must work *exactly* like it was before. The talk: https://youtu.be/xnqTKD8uD64?t=28m25s Reviewed By: mdvacca Differential Revision: D9753301 fbshipit-source-id: 9629aa485a5d6e51806cc96306c297284d4f90b8
60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
/**
|
|
* Copyright (c) 2015-present, Facebook, Inc.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <string>
|
|
#include <limits>
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
#include <fabric/debug/DebugStringConvertible.h>
|
|
#include <fabric/debug/DebugStringConvertibleItem.h>
|
|
#include <folly/Conv.h>
|
|
#include <folly/Optional.h>
|
|
|
|
namespace facebook {
|
|
namespace react {
|
|
|
|
inline std::string toString(const std::string &value) { return value; }
|
|
inline std::string toString(const int &value) { return folly::to<std::string>(value); }
|
|
inline std::string toString(const bool &value) { return folly::to<std::string>(value); }
|
|
inline std::string toString(const float &value) { return folly::to<std::string>(value); }
|
|
inline std::string toString(const double &value) { return folly::to<std::string>(value); }
|
|
|
|
template <typename T>
|
|
inline SharedDebugStringConvertible debugStringConvertibleItem(std::string name, T value, T defaultValue = {}) {
|
|
if (value == defaultValue) {
|
|
return nullptr;
|
|
}
|
|
|
|
return std::make_shared<DebugStringConvertibleItem>(name, toString(value));
|
|
}
|
|
|
|
template <typename T>
|
|
inline SharedDebugStringConvertible debugStringConvertibleItem(std::string name, folly::Optional<T> value, T defaultValue = {}) {
|
|
if (!value.hasValue()) {
|
|
return nullptr;
|
|
}
|
|
|
|
return debugStringConvertibleItem(name, value.value_or(defaultValue), defaultValue);
|
|
}
|
|
|
|
inline SharedDebugStringConvertibleList operator+(const SharedDebugStringConvertibleList &lhs, const SharedDebugStringConvertibleList &rhs) {
|
|
auto result = SharedDebugStringConvertibleList {};
|
|
std::move(lhs.begin(), lhs.end(), std::back_inserter(result));
|
|
std::move(rhs.begin(), rhs.end(), std::back_inserter(result));
|
|
return result;
|
|
}
|
|
|
|
inline SharedDebugStringConvertible debugStringConvertibleItem(std::string name, DebugStringConvertible value, std::string defaultValue) {
|
|
return debugStringConvertibleItem(name, value.getDebugDescription(), defaultValue);
|
|
}
|
|
|
|
} // namespace react
|
|
} // namespace facebook
|