direct-head ( seq n -- seq' )
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Vocabulary
specialized-arrays

Inputs

seq	a specialized array
n	an integer

Outputs

seq'	a new specialized array

Word description
Constructs a new specialized array of the same type as seq sharing the same underlying memory as the first n elements of seq. Like head, raises an error if n is out of bounds.

See also
direct-slice, direct-tail, direct-head*, direct-tail*

Definition

USING: sequences.private ;

IN: specialized-arrays

: direct-head ( seq n -- seq' ) head-to-index direct-slice ;
    inline