[nem-bug] [Nemerle 0000540]: Using void as generic argument causes
invalid IL
feedback at nemerle.org
feedback at nemerle.org
Sat Oct 1 17:39:41 CEST 2005
The following issue has been SUBMITTED.
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<https://nemerle.org/bugs/view.php?id=540>
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Reported By: steffen
Assigned To:
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Project: Nemerle
Issue ID: 540
Category: Compiler
Reproducibility: always
Severity: minor
Priority: normal
Status: new
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Date Submitted: 10-01-2005 17:39 CEST
Last Modified: 10-01-2005 17:39 CEST
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Summary: Using void as generic argument causes invalid IL
Description:
The following code compiles but generates invalid IL:
module X {
f['a] (_:'a):void {}
Main():void {
f( () );
}
}
The following code however compiles and runs:
module X {
f['a] ():'a { Nemerle.Extensions.DefaultValue ('a) }
Main():void {
f.[void]();
}
}
(The second case is like Util.ice in the compiler. It is translated to _ =
f.[object]() .)
The CIL spec says:
The following kinds of type cannot be used as arguments in instantiations
(of generic types or methods):
...
void (e.g., List<System.Void> is invalid)
So either the compiler should complain about using void as type argument
or should translate it to something different (like System.Object, as
already done in the second case).
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Issue History
Date Modified Username Field Change
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10-01-05 17:39 steffen New Issue
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