set-array-nth ( elt n array -- ) (original) (raw)

set-array-nth ( elt n array -- )
Factor handbook » The language » Collections » Arrays » Unsafe array operations

Prev:	array-nth ( n array -- elt )

Vocabulary
sequences.private

Inputs

elt	an object
n	a non-negative fixnum
array	an array

Outputs
None

Word description
Low-level array element mutator.

Warning
This word is in the sequences.private vocabulary because it is unsafe. It does not check types or array bounds, and improper use can corrupt memory. User code must use set-nth instead.

Definition

USING: kernel math.private slots.private ;

IN: sequences.private

: set-array-nth ( elt n array -- )
swap 2 fixnum+fast set-slot ; inline