trim.cc

A simple example on how to use the trim() family of functions for stripping characters from one or both sides of a string.

 
#include <iostream>
#include <gul14/trim.h>
 
using gul14::trim_left_sv;
using gul14::trim_left;
using gul14::trim_right_sv;
using gul14::trim_right;
using gul14::trim_sv;
using gul14::trim;
using std::cout;
 
int main()
{
    cout << "[" << trim("\n \b trim(), default whitespace\t \r") << "]\n";
    // prints "[trim(), default whitespace]"
 
    cout << "[" << trim(".:.:.:trim(), custom whitespace.:.:.:.", ".:") << "]\n";
    // prints "[trim(), custom whitespace]"
 
    cout << "[" << trim_left("\n \b trim_left(), default whitespace   ") << "]\n";
    // prints "[trim_left(), default whitespace   ]"
 
    cout << "[" << trim_right(".:.:.:trim_right(), custom whitespace.:.:.:.", ".:") << "]\n";
    // prints "[.:.:.:trim_right, custom whitespace]"
 
    cout << "[" << trim_left_sv("\n \b trim_left_sv(), default whitespace   ") << "]\n";
    // prints "[trim_left_sv(), default whitespace   ]"
 
    cout << "[" << trim_right_sv(".:.:.:trim_right_sv(), custom whitespace.:.:.:.", ".:") << "]\n";
    // prints "[.:.:.:trim_right_sv, custom whitespace]"
 
    std::string str = "  string_view  ";
    auto sv = trim_sv(str); // sv is a string_view that points to the original string
 
    cout << "[" << sv << "]\n";
    // prints "[string_view]"
 
    str[5] = 'o'; // modify the original string
 
    cout << "[" << sv << "]\n";
    // prints "[strong_view]"
 
    return 0;
}