Some<T> class

Implemented types

• Option<T>

Constructors

Some(T value)

const

Properties

hashCode → int

The hash code for this object.

no setter, override

isNone → bool

no setter, override

isSome → bool

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

value → T

final

Methods

and<U>(Option<U> other) → Option<U>

override

andThen<U>(Option<U> toOption(T)) → Option<U>

override

copy() → Option<T>

override

expect(String message) → T

override

filter(bool predicate(T)) → Option<T>

override

inspect(void onSome(T)) → Option<T>

override

isNoneOr(bool test(T)) → bool

override

isSomeAnd(bool test(T)) → bool

override

map<U>(U toValue(T)) → Option<U>

override

mapOr<U>(U defaultValue, U toValue(T)) → U

override

mapOrElse<U>(U onNone(), U toValue(T)) → U

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

okOr<E extends Exception>(E err) → Result<T, E>

override

okOrElse<E extends Exception>(E onNone()) → Result<T, E>

override

or(Option<T> other) → Option<T>

override

orElse(Option<T> onNone()) → Option<T>

override

toString() → String

A string representation of this object.

inherited

unwrap() → T

override

unwrapOr(T defaultValue) → T

override

unwrapOrElse(T onNone()) → T

override

xor(Option<T> other) → Option<T>

override

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

override

Operators

operator ==(Object other) → bool

The equality operator.

override