Function isBreakableBefore

extlibs/catch/include/catch/catch.hpp:8163–8166

	return chars.find(c) != std::string::npos;
}
inline auto isBreakableBefore(char c) -> bool {
	static std::string chars = "[({<|";
	return chars.find(c) != std::string::npos;
}
inline auto isBreakableAfter(char c) -> bool {
	static std::string chars = "])}>.,:;*+-=&/\\";
	return chars.find(c) != std::string::npos;