is_signed.hpp

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// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2023, Benoit BLANCHON
// MIT License
 
#pragma once
 
#include "integral_constant.hpp"
#include "is_same.hpp"
#include "remove_cv.hpp"
 
// clang-format off
template <typename T>
struct is_signed : integral_constant<bool,
    is_same<typename remove_cv<T>::type, char>::value ||
    is_same<typename remove_cv<T>::type, signed char>::value ||
    is_same<typename remove_cv<T>::type, signed short>::value ||
    is_same<typename remove_cv<T>::type, signed int>::value ||
    is_same<typename remove_cv<T>::type, signed long>::value ||
    is_same<typename remove_cv<T>::type, signed long long>::value ||
    is_same<typename remove_cv<T>::type, float>::value ||
    is_same<typename remove_cv<T>::type, double>::value> {};
// clang-format on