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<TITLE> [Mono-bugs] [Bug 75261][Wis] New - [GMCS] a little bit more type
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inference should be performed by gmcs
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<H1>[Mono-bugs] [Bug 75261][Wis] New - [GMCS] a little bit more type
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inference should be performed by gmcs</H1>
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<B>bugzilla-daemon at bugzilla.ximian.com</B>
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<A HREF="mailto:mono-bugs%40lists.ximian.com?Subject=%5BMono-bugs%5D%20%5BBug%2075261%5D%5BWis%5D%20New%20-%20%5BGMCS%5D%20a%20little%20bit%20more%20type%0A%09inference%20should%20be%20performed%20by%20gmcs&In-Reply-To=bug-75261%40chernobyl.ximian.com"
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TITLE="[Mono-bugs] [Bug 75261][Wis] New - [GMCS] a little bit more type
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inference should be performed by gmcs">bugzilla-daemon at bugzilla.ximian.com
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</A><BR>
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<I>Tue Jun 14 12:09:11 EDT 2005</I>
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GetPrimaryKeys() method
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<!--beginarticle-->
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<PRE>Please do not reply to this email- if you want to comment on the bug, go to the
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URL shown below and enter your comments there.
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Changed by <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">nazgul at omega.pl.</A>
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<A HREF="http://bugzilla.ximian.com/show_bug.cgi?id=75261">http://bugzilla.ximian.com/show_bug.cgi?id=75261</A>
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--- shadow/75261 2005-06-14 12:09:11.000000000 -0400
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+++ shadow/75261.tmp.3997 2005-06-14 12:09:11.000000000 -0400
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@@ -0,0 +1,66 @@
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+Bug#: 75261
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+Product: Mono: Compilers
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+Version: 1.0
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+OS:
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+OS Details: PLD linux, mono from svn (13.07.2005)
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+Status: NEW
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+Resolution:
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+Severity:
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+Priority: Wishlist
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+Component: C#
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+AssignedTo: <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">mono-bugs at ximian.com</A>
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+ReportedBy: <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">nazgul at omega.pl</A>
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+QAContact: <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">mono-bugs at ximian.com</A>
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+TargetMilestone: ---
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+URL:
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+Cc:
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+Summary: [GMCS] a little bit more type inference should be performed by gmcs
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+
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+Please fill in this template when reporting a bug, unless you know what you
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+are doing.
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+Description of Problem:
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+csc 2.0 beta 2 understand code demanding a slightly more type inference,
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+than gmcs do currently
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+
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+Steps to reproduce the problem:
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+1. Try to compile following code
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+
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+
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+class list <A> {
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+ public class Cons <T> : list <T> { }
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+ public class Nil <T> : list <T> { }
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+}
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+
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+class C {
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+ public static void Rev<T> (list <T> y) {
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+ if (y is list<object>.Cons<T>)
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+ System.Console.WriteLine ("Cons");
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+ if (y is list<object>.Nil<T>)
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+ System.Console.WriteLine ("Nil");
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+ }
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+}
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+class M {
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+ static void Main () {
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+ C.Rev (new list<object>.Cons <string> ());
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+ C.Rev (new list<object>.Nil <string> ());
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+ }
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+}
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+
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+
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+2.
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+3.
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+
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+Actual Results:
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+t.cs(24) error CS0411: The type arguments for method `Rev' cannot be
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+infered from the usage. Try specifying the type arguments explicitly.
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+abla
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+t.cs(25) error CS0411: The type arguments for method `Rev' cannot be
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+infered from the usage. Try specifying the type arguments explicitly.
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+
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+Expected Results:
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+clear compiler
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+
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+How often does this happen?
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+Always
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+
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+Additional Information:
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</PRE>
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GetPrimaryKeys() method
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