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ANSI Common Lisp  15 Arrays 15.2 Dictionary of Arrays
- Syntax:
-
svref
simple-vector index
 element
(setf
(svref simple-vector index) new-element)
- Arguments and Values:
-
simple-vector - a simple vector.
index - a valid array index for the simple-vector.
element, new-element - an object
(whose type is a subtype
of the array element type of the simple-vector).
- Description:
-
Accesses the element of simple-vector specified by index.
- Examples:
-
(simple-vector-p (setq v (vector 1 2 'sirens))) true
(svref v 0) 1
(svref v 2) SIRENS
(setf (svref v 1) 'newcomer) NEWCOMER
v #(1 NEWCOMER SIRENS)
- See Also:
-
aref,
sbit,
schar,
vector,
Section 3.2.1 Compiler Terminology
- Notes:
-
svref is identical to aref
except that it requires its first argument to be a simple vector.
(svref v i) ==(aref (the simple-vector v) i)
- Allegro CL Implementation Details:
-
None.
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