windowed-sequence

Vocabulary

sequences.windowed

Definition

USING: math sequences ;

IN: sequences.windowed

TUPLE: windowed-sequence
    { sequence sequence read-only initial: f }
    { n integer initial: 0 } ;

Methods

USING: accessors sequences sequences.windowed ;

M: windowed-sequence length sequence>> length ; inline


USING: accessors kernel math math.order sequences
sequences.private sequences.windowed ;

M: windowed-sequence nth-unsafe
    [ 1 + ] dip [ n>> dupd [-] swap ] [ sequence>> ] bi <slice>
    ; inline