short-vector-p

Arguments: object

Returns true if object is a short vector (a vector created with the :short keyword argument to make-array specified true). Short arrays take up one fewer word of memory than normal arrays, but most standard Common Lisp array functions (aref being an exception) do not work on short arrays.

See Arrays and short arrays in implementation.htm for a definition of short arrays and a discussion of the array implementation in Allegro CL.

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Created 2012.5.30.