StateRef<T> class

可读写的状态 (Replay Latest)

Inheritance

• Object
• Atom<T>
• StateRef

Available extensions

• AtomSelect

Constructors

StateRef(T initialValue, {DisposePolicy disposePolicy = DisposePolicy.keepAlive})

Properties

disposePolicy → DisposePolicy

final

hashCode → int

The hash code for this object.

no setter, inherited

initialValue → T

final

key → Object

用于依赖追踪的键

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

accept<R>(AtomVisitor<R> visitor) → R

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

overrideWith(T value) → Override<T>

用于 Scope override

select<R>(R selector(T value), {bool equals(R, R)?}) → Atom<R>

Available on Atom<T>, provided by the AtomSelect extension

选择单个字段，只在 selector 结果变化时触发 如果提供了 equals，使用自定义比较器

selectMany<R>(List<R Function(T)> selectors) → Atom<List<R>>

Available on Atom<T>, provided by the AtomSelect extension

选择多个字段，任一变化都触发

toString() → String

A string representation of this object.

inherited

where(bool predicate(T)) → Atom<T?>

Available on Atom<T>, provided by the AtomSelect extension

条件过滤，只在条件为 true 时返回值

Operators

operator ==(Object other) → bool

The equality operator.

inherited