Function getFunction2

tests/backend/gsl/ExpressionParserTest.cpp:19–28

}

func_t2 getFunction2(const QString& s) {
	const QString functionName(s);
	for (int i = 0; i < _number_functions; i++) {
		if (functionName == QLatin1String(_functions[i].name)) {
			if (_functions[i].argc == 2)
				return std::get<func_t2>(_functions[i].fnct);
		}
	}
	return nullptr;
}

func_t3 getFunction3(const QString& s) {
	const QString functionName(s);