Reverse words in text

gistfile1.txt

#include <iostream>
#include <algorithm>
#include <cstring>

template<class T, class UnaryPredicate>
void reverseStringExtra(T& text, const UnaryPredicate& predicate)
{
	auto previousPivot = std::begin(text);
	auto pivot = previousPivot;
	while ((pivot = std::find_if(pivot, std::end(text), predicate)) != std::end(text))
	{
		std::reverse(previousPivot, pivot);
		pivot = previousPivot = std::next(pivot);
	}

	std::reverse(previousPivot, std::end(text));
}

/**
 * Prefer to use std algorithms.
 * I want make it short and elegant and maintainable :)
 * @param text
 */

template<class T>
void reverseString(T& text, char delim = ' ')
{
	reverseStringExtra(text, [&](auto element)
	{
		return element == delim;
	});
}

int main()
{
	std::string text = "single";
	std::cout << text << std::endl;
	reverseString(text);
	std::cout << text << std::endl;

	char cStringSingle[] = {'s', 'i', 'n', 'g', 'l', 'e'};
	std::cout << cStringSingle << std::endl;
	reverseString(cStringSingle);//Fun fact :d
	std::cout << cStringSingle << std::endl;

	text = "I love C++!  and?\t";//our delim is ' ' char not \t
	std::cout << text << std::endl;
	reverseString(text);
	std::cout << text << std::endl;

	text = u8"oką©ę";//sorry no time for UTF8 but it would be easy to write if i need to, or use wstring
	std::cout << text << std::endl;
	reverseString(text);
	std::cout << text << std::endl;

	//Thx to template and std::begin, std::end, std::next
	char cString[] = "I like templates";//lookout for extra \0 on end :P
	std::cout << cString << std::endl;
	reverseString(cString);//Fun fact :d #2
	std::cout << cString << std::endl;

	//Palindrome ;)
	text = "kajak";
	std::cout << text << std::endl;
	reverseString(text);
	std::cout << text << std::endl;

	//Test wstring
	std::wstring utf8One{L"ążźć"};
	std::wcout << utf8One << std::endl;
	reverseString(utf8One);
	std::wcout << utf8One << std::endl;

	//Custom delim
	text = "I love C++! Java\nand?\tC#:<";
	std::cout << text << std::endl;
	reverseStringExtra(text, isspace);
	std::cout << text << std::endl;

	return 0;
}