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Re: Checking variable scope
On Wed, Nov 29, 2006 at 10:44:33AM -0800, Jim Blandy wrote:
> I'm suggesting that you extend the grammar even further, by allowing
> one to say things like this (assume there is no binding for 'a' in
> scope, but there is a binding for 'b' in scope):
> (gdb) print $in_scope(a)
> $1 = 0
> (gdb) print $in_scope(b)
> $1 = 1
Is extending the grammar really necessary? That will already parse;
it's the same as you'd use for a convenience variable named in_scope
holding a function pointer.