variable '_' is unbound

Vance Shipley <>
Tue May 28 19:28:08 CEST 2002


On Tue, May 28, 2002 at 12:54:32PM -0400, Vance Shipley wrote:
> 
>    foo(Arg) when bar == Arg; <<_:3, 1:1, _:12>> == Arg -> 
> 
> 
> I reallu just need to test one bit in the middle of this binary.
> I guess I need a strategy that doesn't require binding a variable.

And that strategy seems to be:

foo(Arg) when bar == Arg;
         (is_binary(Arg) and ((Arg band <<16, 0>>) == <<16,0>>))  ->

:)

	-Vance




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