125 lines
2.0 KiB
C++
125 lines
2.0 KiB
C++
//
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// println.hpp
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// printline
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#ifndef println_hpp
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#define println_hpp
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/*
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based on: http://stackoverflow.com/questions/16084379/system-out-println-function-syntax-in-c/16085135#16085135
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initial Author: http://stackoverflow.com/users/264338/mkaes
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*/
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#include <iostream>
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#include <iomanip>
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#include <sstream>
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using namespace std;
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/*
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template <typename T>
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void printer(T t)
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{
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std::cout << t << std::endl;
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}
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template <typename T, typename ...U>
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void printer(T t, U ...u)
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{
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std::cout << t;
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printer(u...);
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}*/
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//namespace std {
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//string to_string(const string s);
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//string to_string(const char* s);
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/*
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inline string to_string(const string s){
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return s;
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}
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inline string to_string(const char* s){
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return string(s);
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}*/
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//}
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/*
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void println(T t)
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{
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std::cout << std::to_string(t) << std::endl;
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}
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template <typename T, typename ...U>
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void println(T t, U ...u)
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{
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std::cout << std::to_string(t);
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println(u...);
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}
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*/
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//namespace {
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// from: https://stackoverflow.com/questions/16605967/set-precision-of-stdto-string-when-converting-floating-point-values
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template <typename T>
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std::string to_string_with_precision(const T a_value, const int n = 6)
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{
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std::ostringstream out;
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out << std::setprecision(n) << std::scientific << a_value;
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return out.str();
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}
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template <typename T>
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std::string as_string(T t){
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using namespace std;
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return to_string_with_precision(t);
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//return to_string(t);
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}
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template <>
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std::string as_string<const char *>(const char * s){
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return std::string(s);
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}
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template <>
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std::string as_string<std::string>(std::string s){
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return s;
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}
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//}
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template <typename T>
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void println(T t)
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{
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std::cout << as_string(t) << std::endl;
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}
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template <typename T, typename ...U>
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void println(T t, U ...u)
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{
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std::cout << as_string(t);
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println(u...);
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}
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template <typename T>
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void print(T t)
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{
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std::cout << as_string(t);
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}
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template <typename T, typename ...U>
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void print(T t, U ...u)
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{
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std::cout << as_string(t);
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print(u...);
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}
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#endif /* println_hpp */
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