Observable.Generate < TState, TResult > 方法 (TState, Func TState, Boolean > , Func < TState, TState > , Func << TState, TResult >)
在條件失敗之前,從初始狀態逐一查看狀態,以產生可觀察的序列。
Namespace:System.Reactive.Linq
裝配: System.Reactive.dll) 中的 System.Reactive (
Syntax
'Declaration
Public Shared Function Generate(Of TState, TResult) ( _
initialState As TState, _
condition As Func(Of TState, Boolean), _
iterate As Func(Of TState, TState), _
resultSelector As Func(Of TState, TResult) _
) As IObservable(Of TResult)
'Usage
Dim initialState As TState
Dim condition As Func(Of TState, Boolean)
Dim iterate As Func(Of TState, TState)
Dim resultSelector As Func(Of TState, TResult)
Dim returnValue As IObservable(Of TResult)
returnValue = Observable.Generate(initialState, _
condition, iterate, resultSelector)
public static IObservable<TResult> Generate<TState, TResult>(
TState initialState,
Func<TState, bool> condition,
Func<TState, TState> iterate,
Func<TState, TResult> resultSelector
)
public:
generic<typename TState, typename TResult>
static IObservable<TResult>^ Generate(
TState initialState,
Func<TState, bool>^ condition,
Func<TState, TState>^ iterate,
Func<TState, TResult>^ resultSelector
)
static member Generate :
initialState:'TState *
condition:Func<'TState, bool> *
iterate:Func<'TState, 'TState> *
resultSelector:Func<'TState, 'TResult> -> IObservable<'TResult>
JScript does not support generic types and methods.
類型參數
- TState
狀態的類型。
- TResult
結果的類型。
參數
- initialState
類型:TState
初始狀態。
- condition (條件)
類型:System.Func< TState、布林值>
終止產生的條件。
- 逐一查看
類型:System.Func< TState、TState>
反復專案步驟函式。
- resultSelector
類型:System.Func< TState、TResult>
序列中產生結果的選取器函式。
傳回值
類型:System.IObservable< TResult>
產生的序列。