tostr.h

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#pragma once
#include <string>
 
inline std::string tostr(int val) {
    return std::to_string(val);
}
 
inline std::string tostr(unsigned int val) {
    return std::to_string(val);
}
 
inline std::string tostr(long val) {
    return std::to_string(val);
}
 
inline std::string tostrhex(unsigned long val) {
    std::string str("0x");
    for (int sft = 28; sft >= 0; sft -= 4) {
        str.push_back("0123456789abcdef"[(val >> sft) & 0xf]);
    }
    return str;
}
 
inline std::string tostr(void* val) {
    return tostrhex(reinterpret_cast<unsigned int>(val));
}
 
inline std::string tostr(unsigned long val) {
    return std::to_string(val);
}
 
inline std::string tostr(long long val) {
    return std::to_string(val);
}
 
inline std::string tostr(unsigned long long val) {
    return std::to_string(val);
}
 
inline std::string tostr(float val) {
    return std::to_string(val);
}
 
inline std::string tostr(double val) {
    return std::to_string(val);
}
 
inline std::string tostr(long double val) {
    return std::to_string(val);
}
 
inline std::string tostr(const char* sz) {
    return std::string(sz);
}
 
inline std::string tostr(std::string str_) {
    return str_;
}