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{{Built-in|Bracket indexing|<nowiki>[]</nowiki>}}, or simply '''Indexing''', is a special [[primitive function]] which uses the | {{Built-in|Bracket indexing|<nowiki>[]</nowiki>}}, or simply '''Indexing''', is a special [[primitive function]] which uses the postcircumfix notation <source lang=apl inline>X[Y]</source> instead of a normal prefix function. The result of <source lang=apl inline>X[Y]</source> is an array formed with items of X extracted by the [[index]] specification Y. | ||
== Indexing modes == | == Indexing modes == |
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