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- Subject: Re: expression as statement
- From: Luiz Henrique de Figueiredo <lhf@...>
- Date: Tue, 17 Nov 2009 10:14:19 -0200
> Say, I want to write code that does '#' on value x. I can write:
> while #x do break end
> do local _ = #x end
> (function () return #x end)()
> Is there something that has least runtime and size overhead,
> i.e. doesn't create extra branches or stack allocations in bytecode?
repeat until #x
assuming (as you are) that #x does not return false...
But this generates the simplest bytecode:
do local _ = #x end