通过从初始状态循环访问状态，直到条件失败，生成可观测序列。
Namespace：System.Reactive.Linq
装配： System.Reactive.dll) 中的 System.Reactive (
语法
'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.
类型参数
- TState
状态的类型。
- TResult
结果的类型。
参数
- initialState
类型：TState
初始状态。
- condition
类型： System.Func<TState、 Boolean>
终止生成的条件。
- 迭代 (iterate)
类型： System.Func<TState、TState>
迭代步骤函数。
- resultSelector
类型： System.Func<TState、TResult>
序列中生成的结果的选择器函数。
返回值
类型： System.IObservable<TResult>
生成的序列。