orElse method

Option<T> orElse(
  1. Option<T> fn()
)

Returns this Option if this Option is Some<T>, otherwise calls fn and returns the returned Option.

See also: Rust: Option::or_else()

Implementation

Option<T> orElse(Option<T> Function() fn) => switch (this) {
	Some() => this,
	None() => fn()
};