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Nested array

357 bytes added, 10:21, 11 November 2019
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A nested array is a kind of [[pointer array]] and is almost always stored using pointers.
The result of [[Enclose]] on an array other than a [[simple scalar]] is always a nested array. The [[Dyalog APL]] primitive [[Nest]] (<source lang=apl inline>⊆</source>), which encloses a non-[[simple]] argument, is named for this property: it applies the smallest transformation to turn the argument (unless it is a simple scalar) into a nested array.
{{APL programming language}}
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