MyExt.Foo<T、R> 方法 (IQbservable<T>、Expression<Func<T、R>>)

Namespace:ReactiveTests.Tests
装配: Tests.System.Reactive.dll) 中的 Tests.System.Reactive (

语法

'Declaration
<ExtensionAttribute> _
Public Shared Function Foo(Of T, R) ( _
    source As IQbservable(Of T), _
    f As Expression(Of Func(Of T, R)) _
) As IQbservable(Of R)
'Usage
Dim source As IQbservable(Of T)
Dim f As Expression(Of Func(Of T, R))
Dim returnValue As IQbservable(Of R)

returnValue = source.Foo(f)
public static IQbservable<R> Foo<T, R>(
    this IQbservable<T> source,
    Expression<Func<T, R>> f
)
[ExtensionAttribute]
public:
generic<typename T, typename R>
static IQbservable<R>^ Foo(
    IQbservable<T>^ source, 
    Expression<Func<T, R>^>^ f
)
static member Foo : 
        source:IQbservable<'T> * 
        f:Expression<Func<'T, 'R>> -> IQbservable<'R> 
JScript does not support generic types and methods.

类型参数

  • T
  • R

参数

返回值

类型: System.Reactive.Linq.IQbservable<R>

使用说明

在 Visual Basic 和 C# 中,可以将此方法作为 IQbservable<T> 类型的任何对象的实例方法调用。 当使用实例方法语法调用此方法时,请省略第一个参数。 有关详细信息,请参阅

另请参阅

参考

MyExt 类

Foo 重载

ReactiveTests.Tests 命名空间