orElse<F> method

Result<T, F> orElse<F>(Result<T, F> fn(E))

Returns a Result value as Ok<T, F> if this Result is Ok<T, E>, otherwise calls fn with the held Err value and returns the returned Result.

See also: Rust: Result::or_else()

Implementation

Result<T, F> orElse<F>(Result<T, F> Function(E) fn) => switch (this) {
	Ok(:T v) => Ok(v),
	Err(:E e) => fn(e)
};