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15.1.2 Specialized Arrays

An array can be a general array, meaning each element may be any object, or it may be a specialized array, meaning that each element must be of a restricted type.

The phrasing ``an array specialized to type <<type>>'' is sometimes used to emphasize the element type of an array. This phrasing is tolerated even when the <<type>> is t, even though an array specialized to type t is a general array, not a specialized array.

The next figure lists some defined names that are applicable to array creation, access, and information operations.

adjust-array           array-has-fill-pointer-p  make-array                   
adjustable-array-p     array-in-bounds-p         svref                        
aref                   array-rank                upgraded-array-element-type  
array-dimension        array-rank-limit          upgraded-complex-part-type   
array-dimension-limit  array-row-major-index     vector                       
array-dimensions       array-total-size          vector-pop                   
array-displacement     array-total-size-limit    vector-push                  
array-element-type     fill-pointer              vector-push-extend           

Figure 15-1. General Purpose Array-Related Defined Names

15.1.2.1 Array Upgrading

15.1.2.2 Required Kinds of Specialized Arrays


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