An analysis of func<> delegation in C #

Source: Internet
Author: User

Func<tresult> delegate

Encapsulates a method that does not have a parameter but returns the type value specified by the TResult parameter.

Grammar:

Public delegate TResult Func<out tresult> ()




Func<t, Tresult> commissioned

Encapsulates a method that has a parameter and returns the type value specified by the TResult parameter.

Grammar
PublicDelegate TResult func<inchT, out tresult> (
      T Arg
)
Func<t1, T2, Tresult> commissioned

The TResult parameter specifies the type value of the method.

Syntax public delegate TResult func< in T1, in T2,out tresult> (

      T1 Arg1,
      T2 arg2
)

To reference a parameter that does not have parameters but returnsvoidMethod (or in Visual Basic, declared asSubRather than being declared asFunctionmethod), use theActionCommissioned.

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.

Analysis of Func<> delegates in C #

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