On Tue, 17 Mar 2009, Steven Taylor wrote:
> [d=:i. 3 3
> [e=:(_.$~(20, {.@:$@:])) d
> [f=:({.@:]) d
> [g=:(|:@:]) d
> ( g f } e) d
> g f } e NB. ok
> 20 ( g f } (_.$~([, {.@:$@:]))) d NB. ok
>
> NB. substituting g or f will fail
>
> 20 ( g ({.@:]) } (_.$~([, {.@:$@:]))) d
looks like an algebraic factorization. :-)
f=: ({.@:]) d and is executed at that point, subsequently f will be a
noun and will not remember it onces was ({.@:]) d.
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