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C++ : concat Variadic parameters (float,int,string) to string
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/* | |
stringify.h -- [C++11] concat varaiadic paramaters to string | |
April 22th, 2019 | |
Copyright 2019 yni3 | |
License : Public Domain | |
*/ | |
#pragma once | |
#ifndef __STRINGIFY_H__ | |
#define __STRINGIFY_H__ | |
#include <string> | |
#include <sstream> | |
#include <utility> | |
namespace yni3 | |
{ | |
using std::stringstream; | |
using std::string; | |
struct inner | |
{ | |
void concat( stringstream& ) | |
{ | |
} | |
template <typename Head, typename... Tail> | |
decltype( static_cast<long long>( std::declval<Head>() ) | |
, void() ) | |
concat( stringstream& ss, Head&& h, Tail&& ... t ) | |
{ | |
ss << static_cast<long long>( std::forward<Head>( h ) ); | |
concat( ss, std::forward<Tail>( t )... ); | |
} | |
template <typename Head, typename... Tail> | |
decltype( string( std::declval<Head>() ) | |
, void() ) | |
concat( stringstream& ss, Head&& h, Tail&& ... t ) | |
{ | |
ss << std::forward<Head>( h ); | |
concat( ss, std::forward<Tail>( t )... ); | |
} | |
}; | |
//concat Variadic parameters to string | |
template<typename... Args> | |
string stringify( Args&& ... args ) | |
{ | |
stringstream ss; | |
inner i; | |
i.concat( ss, std::forward<Args>( args )... ); | |
return ss.str(); | |
} | |
} | |
#endif |
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