[Mono-bugs] [Bug 572053] New: foreach over a System.Collection.Generic.Dictionary<K, T> derived class throws CS0030 compilation error

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Tue Jan 19 16:10:47 EST 2010



           Summary: foreach over a
                    System.Collection.Generic.Dictionary<K,T> derived
                    class throws CS0030 compilation error
    Classification: Mono
           Product: Mono: Compilers
           Version: 2.4.x
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: C#
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: cummings.michael at gmail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---

User-Agent:       Mozilla/5.0 (X11; U; Linux i686; en-US; rv:
Gecko/20100106 Ubuntu/9.10 (karmic) Firefox/3.5.7

/MonoGenericIteratorTest/Main.cs, Line=26, Column=25, Type=Error,
Priority=Normal, Description=Cannot convert type
to `MonoGenericIteratorTest.MyType'(CS0030)

Reproducible: Always

Steps to Reproduce:
1.Create a new Console Application in MonoDevelop
2.Paste the following code into the Main.cs file
using System;
using System.Collections.Generic;

namespace MonoGenericIteratorTest
    public class MyType


    public abstract class MyCollectionBase<T> : Dictionary<string, T>

    public class MyCollection : MyCollectionBase<MyType>


    class MainClass
        public static void Main(string[] args)
            MyCollection myCollection = new MyCollection();

            foreach (MyType item in myCollection) {

Expected Results:  
This compiles without error under the .Net framework

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