[Mono-bugs] [Bug 708024] New: csharp repl: yield return in lambda expr produces error CS1624

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Mon Jul 25 07:54:14 EDT 2011



           Summary: csharp repl: yield return in lambda expr produces
                    error CS1624
    Classification: Mono
           Product: Mono: Compilers
           Version: 2.10.x
          Platform: x86
        OS/Version: Windows 7
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: C#
        AssignedTo: michael.miller at suse.com
        ReportedBy: ralmoritz at gmail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---

Description of Problem:
Defining an anonymous method or lambda expression containing a yield return
statement produces error CS1624.

Steps to reproduce the problem:
1. Type "Func<int, int> Decreasing = start => { for (var i = start; ; --i)
yield return i; };" at the csharp repl.
2. Notice the following error is generated: "error CS1624: The body of
`Class1.Host(ref object)' cannot be an iterator block because `void' is not an
iterator interface type"

Actual Results: 
error CS1624

Expected Results: 
System.Func`2[System.Int32, System.Int32]

How often does this happen? 

Additional Information:

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