4,493
edits
(dzaima/APL update) |
(extension) |
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bdace | bdace | ||
</source>{{Works in|[[dzaima/APL]], [[Extended Dyalog APL]]}} | </source>{{Works in|[[dzaima/APL]], [[Extended Dyalog APL]]}} | ||
== Potential extension == | |||
Select can be defined as <source lang=apl inline>⌷⍨∘⊃⍨⍤0 ∞</source> thus allowing both the above usage and "scatter point indexing": | |||
<source lang=apl> | |||
1 4 3 ⊇ 4 4⍴⎕A | |||
ABCD | |||
MNOP | |||
IJKL | |||
(1 1)(4 4)(3 4) ⊇ 4 4⍴⎕A | |||
APL | |||
</source> | |||
{{APL built-ins}} | {{APL built-ins}} |