Option$SomeMethodsExtension<T extends Object> extension

on

• Some<T>

Methods

and<U extends Object>(Option<U> other) → Option<U>

andThen<U extends Object>(Option<U> f(T self)) → Option<U>

copy() → Some<T>

expect(String msg) → T

filter(bool predicate(T self)) → Option<T>

inspect(dynamic f(T self)) → Some<T>

isNone() → bool

isSome() → bool

isSomeAnd(bool f(T self)) → bool

iter() → Iter<T>

map<U extends Object>(U f(T self)) → Some<U>

mapOr<U>(U defaultValue, U f(T)) → U

mapOrElse<U>(U defaultFn(), U f(T)) → U

okOr<E extends Object>(E err) → Ok<T, Never>

okOrElse<E extends Object>(E errFn()) → Ok<T, Never>

or(Option<T> other) → Some<T>

orElse(Option<T> f()) → Some<T>

unwrap() → T

unwrapOr(T defaultValue) → T

unwrapOrElse(T f()) → T

xor(Option<T> other) → Option<T>

zip<U extends Object>(Option<U> other) → Option<(T, U)>

zipWith<U extends Object, R extends Object>(Option<U> other, R f(T p1, U p2)) → Option<R>

Operators

operator [](_OptionEarlyReturnKey op) → T