unwrapErr method

E unwrapErr()

Returns the held value of this Result if it is Err.

Warning: This method is unsafe. A ResultError will be thrown when this method is called if this Result is Ok.

See also: Rust: Result::unwrap_err()

Implementation

E unwrapErr() => switch (this) {
	Ok(value: T value) => throw ResultError(value),
	Err(value: E value) => value
};