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...from Dyalog APL, such as [[Selective assignment|selective]] and [[modified assignment]], from [[K]], such as [[Dictionary|dictionaries]] and tables, and from Go,

...al by explicit mention of the target namespace. Modified/indexed/selective assignment updates the most local definition. ===Indexed assignment===

...educe]], [[Compress]], [[Expand]], [[Inner product]], [[Outer product]], [[Assignment]] (including indexed), [[Bracket indexing]], [[Branch]]/[[Label]] ...Difference]] (but these functions only return unique elements), [[modified assignment]] (scalar dyadics only)

...ght lang=apl inline>←</syntaxhighlight> || [[Assignment]] or [[Selective Assignment]] || Result (returns from functions)

Another, more straightforward strategy uses [[selective assignment]] and [[Expand]]. It creates a temporary vector <syntaxhighlight lang=apl i ...light lang=apl inline>u</syntaxhighlight>. [[Structural Under]] allows the assignment to be performed in a functional style, with no temporary variable. For exam

* [[APL84]]: [https://doi.org/10.1145/800058.801080 Function assignment and arrays of functions]. * [[APL89]]: [https://doi.org/10.1145/75144.75153 Understanding selective assignment]. With B. Hawks.

...Find]] and [[Index]], and [[stranded assignment|stranded]] and [[selective assignment]]. APL2 was available for mainframe computers running z/OS or z/VM and work

...>16807⌶</syntaxhighlight>. Support was added for [[Enlist]] in [[selective assignment]]. [[Selective assignment]] was was extended to allow [[bracket indexing]] and the [[Each]] operator,

* '''Function assignment and arrays of functions'''. [[Jim Brown|James A. Brown]]. [https://doi.org/ * '''Understanding selective assignment'''. [[Jim Brown|J. A. Brown]] and B. Hawks. [https://doi.org/10.1145/75144.