Function is_float

Source/astcenccli_toplevel.cpp:214–225

* @brief Test if a string argument is a well formed float. */

 * @brief Test if a string argument is a well formed float.
 */
static bool is_float(
	std::string target
) {
	float test;
	std::istringstream stream(target);

	// Leading whitespace is an error
	stream >> std::noskipws >> test;

	// Ensure no remaining string, in addition to checking for parse failure
	return stream.eof() && !stream.fail();
}

/**
 * @brief Test if a string ends with a given suffix.