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.Re: MAP (and variants) vs LOOP - Popular opinion observation?
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Robert L.
Mar 23, 2022, 7:04:03 PM3/23/22
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Pascal Costanza wrote:
> different kinds of values. Recently, I needed the following costruct
> quite often:
>
> (loop for x in some-list
> for i from 0
> collect `(,x ,i))
>
> This enumerates all elements in a list. You would have to express this
> completely manually without LOOP because none of the mapxyz functions
> help you here.
Obviously wrong.
Gauche Scheme (using lazy iota):
(map list '(b c d) (liota))
===>
((b 0) (c 1) (d 2))
> different kinds of values. Recently, I needed the following costruct
> quite often:
>
> (loop for x in some-list
> for i from 0
> collect `(,x ,i))
>
> This enumerates all elements in a list. You would have to express this
> completely manually without LOOP because none of the mapxyz functions
> help you here.
Obviously wrong.
Gauche Scheme (using lazy iota):
(map list '(b c d) (liota))
===>
((b 0) (c 1) (d 2))
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