Replace C# Lambda Operator

Question

I need to convert .Net 4.0 Api to .Net 2.0 Api.

Can i replace this:

     public ClrBinder(IEnumerable<MethodBase> targetMethods)
         : this(targetMethods.Select(method => new BinderMethod(method)))
     {
     }

with this:

     public ClrBinder(IEnumerable<MethodBase> targetMethods)
         : this(targetMethods.Select(new BinderMethod(new MethodBase())))
     {
     }

without changing the logic?

thank you very much!

Answer 1

Best Answer

Answer by Statement · Oct 25, 2015 at 04:52 PM

Provide a non-anonymous delegate.

 public ClrBinder(IEnumerable<MethodBase> targetMethods)
      : this(targetMethods.Select<BinderMethod>(ToBinderMethod))
  {
  }
 
 private static BinderMethod ToBinderMethod(MethodBase methodBase)
 {
      return new BinderMethod(methodBase);
 }

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SkandYxyz · Oct 25, 2015 at 04:59 PM 0

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Super, thank you very much for the help! It seems that it is different, beause you care of passing the parameter methodBase.

Statement SkandYxyz · Oct 25, 2015 at 05:01 PM 0

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It's a non-lambda, non-anonymous version of:

 method => new Binder$$anonymous$$ethod(method))

Which also passes the parameter (here called "method").

$$anonymous$$y answer behaves identical with the first code snippet you provided. The second code snippet doesn't behave like the first, and looks wrong to me. You're throwing away information.

Replace C# Lambda Operator

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