svref
svref Accessor
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)
Expanded Reference: svref
tip
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(svref )