[Issue 18432] alias x = x where x is an imported symbol should result in an error

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18432

Steven Schveighoffer <schveiguy at yahoo.com> changed:

           What    |Removed                     |Added
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                 CC|                            |schveiguy at yahoo.com

--- Comment #2 from Steven Schveighoffer <schveiguy at yahoo.com> ---
(In reply to RazvanN from comment #1)
> Actually,
> 
> import std.stdio : writeln;
> alias writeln = std.stdio.writeln;
> 
> Does not compile successfully, it issues an error : "Undefined identifier
> std.stdio.writeln".

This one works (or rather fails) as expected. Importing using selective imports
does not pull in the fully qualified name to the namespace.

I'm not 100% sure on the first one, as it seems like if it works, it's simply a
no-op. Can you give a reason why having it succeed is bad?

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