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{{Built-in|Right Shoe|⊃}} is a [[monadic function]] is [[Nested array model|nested]] APLs which reduces the level of nesting of an array. However, its treatment of non-scalars varies between dialects. Some dialects have it extract the argument's initial element in [[ravel order]], while others have it combine the array's elements (requiring conforming shapes or padding with [fill element]]s). Depending on which approach is taken, it is common to use the unambiguous names [[First]] and [Mix]] for these two functions. | {{Built-in|Right Shoe|⊃}} is a [[monadic function]] is [[Nested array model|nested]] APLs which reduces the level of nesting of an array. However, its treatment of non-scalars varies between dialects. Some dialects have it extract the argument's initial element in [[ravel order]], while others have it combine the array's elements (requiring conforming shapes or padding with [fill element]]s). Depending on which approach is taken, it is common to use the unambiguous names [[First]] and [Mix]] for these two functions. | ||
For a discussion of all uses of the [[glyph]] < | For a discussion of all uses of the [[glyph]] <code>⊃</code>, see [[Right Shoe]]. | ||
{{APL built-ins}}[[Category:Primitive functions]] | {{APL built-ins}}[[Category:Primitive functions]] | ||