What is this strange alias syntax?

[Andrej Mitrovic]

On 5/22/11, Timon Gehr <timon.gehr at gmx.ch> wrote:
> The problem is, that currently there is no other
> I do not get why anybody would want to remove the possibility to refer to
> function
> signatures.

What's wrong with using this:

alias void function(int, int) funcAlias;