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[REBOL] Re: Passing hash keys to functions

From: premshree:pillai::gmail at: 29-Dec-2004 3:18

On Tue, 28 Dec 2004 16:16:14 EST, [SunandaDH--aol--com] <[SunandaDH--aol--com]> wrote:
> Premshree: > > > I'm trying to write a function that accepts a key as an argument, and > > then returns the corresponding value. > > You might be better off with the keys as strings rather than words: > > hsh: make hash! ["a" [1 2] "b" [3 4]] > > The code hardly needs a function: > > select hsh "b" > == [3 4]
Ah, I din't know of the existence of a select. :-| I'm a bit confused as to how to use it for keys that have values as hashes, though. If I have something like: hsh: make hash! ["a" [1 2] "b" [3 4]] How do I do something like hsh->"a"->1? TIA
> But if you want one: > > get-val: func [of [hash!] key [string!] > ][ > return select of key > ] > > get-val hsh "b" > == [3 4] > > Sunanda > -- > To unsubscribe from the list, just send an email to rebol-request > at rebol.com with unsubscribe as the subject. >
-- Premshree Pillai http://www.livejournal.com/~premshree