python-like trim for c++

trim.h

#pragma once
#include <string>
//because other langauges have these and the c++ does not

//Trims whitespace - from http://stackoverflow.com/questions/1798112/removing-leading-and-trailing-spaces-from-a-string
std::string trim(const std::string& str,
				 const std::string& whitespace = " \t")
{
	const auto strBegin = str.find_first_not_of(whitespace);

	if (strBegin == std::string::npos)
		return ""; // no content

	const auto strEnd = str.find_last_not_of(whitespace);
	const auto strRange = strEnd - strBegin + 1;

	return str.substr(strBegin, strRange);
}

//Reduces whitespace - from http://stackoverflow.com/questions/1798112/removing-leading-and-trailing-spaces-from-a-string
std::string reduce(const std::string& str,
				   const std::string& fill = " ",
				   const std::string& whitespace = " \t")
{
	// trim first
	auto result = trim(str, whitespace);

	// replace sub ranges
	auto beginSpace = result.find_first_of(whitespace);
	while (beginSpace != std::string::npos)
	{
		const auto endSpace = result.find_first_not_of(whitespace, beginSpace);
		const auto range = endSpace - beginSpace;

		result.replace(beginSpace, range, fill);

		const auto newStart = beginSpace + fill.length();
		beginSpace = result.find_first_of(whitespace, newStart);
	}
	return result;
}