[REBOL] Re: REBOL dynamic graph code problems and REBOL mindset
From: carl::cybercraft::co::nz at: 22-Feb-2008 11:42
On Friday, 22-February-2008 at 10:13:35 John Shea wrote,
>Hi Max,
>another quick question to add to Tom's.
>
>When you set refresh-graph you have what looks like a 'has' modifier, not
>that i can see one (so far) in the rebol docs, what does 'has' do ? is it a
>precondition? Also in this statement I see no 'does' and yet the
>refresh-graph seems to work like a called function - or is that what the
>'has' does?
Yes, HAS, like DOES, is just a shortened function, with HAS allowing local words to be
defined. ie...
>> x: does []
>> probe :x
func [][]
>> x: has [y][]
>> probe :x
func [/local y][]
-- Carl Read.
