35 lines
862 B
Forth
35 lines
862 B
Forth
I find `)` useful to punctuate code chunks.
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~~~
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:) ; immediate (code_chunk_punctuation_that_does_nothing
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~~~
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Here is an example:
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:i@ (an-n) array:nth fetch ;
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~~~
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{{
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:I@ (an-n) I array:nth fetch ;
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'Index 'Value [ var ] bi@
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:lt?-or-gt? hook ;
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:pre.min (a-an)
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(comparison <? <?-or-gt? set-hook )
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(begin_with #-1 !Index n:MAX !Value dup array:length ) ;
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:pre.max (a-an)
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(comparison >? <?-or-gt? set-hook )
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(begin_with #-1 !Index n:MIN !Value dup array:length ) ;
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:min-or-max (a-nn) [ dup I@ dup @Value lt?-or-gt?
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[ !Value I !Index ] [ drop ] choose ] times<with-index>
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(a-nn drop @Index @Value ) ;
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---reveal---
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:array:min (a-iv) pre.min min-or-max ;
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:array:max (a-iv) pre.max min-or-max ;
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}}
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~~~
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```
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{ #3 #2 #5 #7 #3 } array:min dump-stack nl reset
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{ #3 #2 #5 #7 #3 } array:max dump-stack nl
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```
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