# Old style vs. new style boolean expressions

James Hague jamesh@REDACTED
Tue Oct 8 22:09:45 CEST 2002

> I don't think this make much of a difference most of the 
> time, and even if it
> increases the size noticeably - does it matter ?

It only matters to people who obsessively peek behind the scenes :)

Possibly, though, it could be a flaw in or weakness in the compiler.  I
would think that _most_ complex boolean guards could be mechanically
transformed into "classic" Erlang pattern matching, so the resulting code
should be very similar.  The Erlang compiler is pretty amazing most of the

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