2,951
edits
Index Of: Difference between revisions
Jump to navigation
Jump to search
→Documentation: BQN link
m (Text replacement - " ⊢( *[^∘])" to " ⎕←$1") |
(→Documentation: BQN link) |
||
| (2 intermediate revisions by one other user not shown) | |||
| Line 1: | Line 1: | ||
:''This page is about lookups. See [[Indexing]], [[Indices]], [[Index Generator]], and [[Interval Index]] for other operations named after indices.'' | |||
{{Built-in|Index Of|⍳}} is a [[dyadic]] [[primitive function]] which returns an array of [[index|indices]] where each item in the right [[argument]] appears in the left argument. If some item is not found, the corresponding index returned is one higher than the last index of the left argument. Index Of shares its [[glyph]] <source lang=apl inline>⍳</source> with the monadic primitive function [[Index Generator]]. | {{Built-in|Index Of|⍳}} is a [[dyadic]] [[primitive function]] which returns an array of [[index|indices]] where each item in the right [[argument]] appears in the left argument. If some item is not found, the corresponding index returned is one higher than the last index of the left argument. Index Of shares its [[glyph]] <source lang=apl inline>⍳</source> with the monadic primitive function [[Index Generator]]. | ||
| Line 56: | Line 57: | ||
=== Documentation === | === Documentation === | ||
* [ | * [https://help.dyalog.com/latest/#Language/Primitive%20Functions/Index%20Of.htm Dyalog] | ||
* [http://wiki.nars2000.org/index.php/Index_Of NARS2000] | * [http://wiki.nars2000.org/index.php/Index_Of NARS2000] | ||
* [http://microapl.com/apl_help/ch_020_020_160.htm APLX] | * [http://microapl.com/apl_help/ch_020_020_160.htm APLX] | ||
* J [https://www.jsoftware.com/help/dictionary/didot.htm Dictionary], [https://code.jsoftware.com/wiki/Vocabulary/idot#dyadic Nuvoc] | * J [https://www.jsoftware.com/help/dictionary/didot.htm Dictionary], [https://code.jsoftware.com/wiki/Vocabulary/idot#dyadic Nuvoc] | ||
* [https://mlochbaum.github.io/BQN/doc/search.html#index-of BQN] | |||
{{APL built-ins}}[[Category:Primitive functions]] | {{APL built-ins}}[[Category:Primitive functions]] | ||