kvision/io.kvision.state/ObservableValue

ObservableValue

open class ObservableValue<T>(value: T) : MutableState<T>

The observable value class.

Parameters

value

the initial value

Constructors

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fun <T> ObservableValue(value: T)

Functions

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open override fun getState(): T

Get current state.

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open override fun setState(state: T)

Set current state.

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open override fun subscribe(observer: (T) -> Unit): () -> Unit

Subscribe for the state change notifications. Calls the observer with the current state.

Properties

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var value: T

The observed variable.

Extensions

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val <S> MutableState<S>.mutableStateFlow: <Error class: unknown class><S>

Extension property returning a MutableStateFlow for a MutableState.

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val <S> ObservableState<S>.stateFlow: <Error class: unknown class><S>

Extension property returning a StateFlow for an ObservableState.

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fun <S, T> ObservableState<S>.sub(contextWidget: Widget? = null, extractor: (S) -> T): ObservableState<T>

Returns a sub-store of the original ObservableState