rolling-count ( ... u n quot: ( ... elt -- ... ? ) -- ... v )

Vocabulary

sequences.windowed

Inputs

u	an object
n	an object
quot	a quotation with stack effect ( ... elt -- ... ? )

Outputs

v

an object

Definition

USING: kernel sequences ;

IN: sequences.windowed

: rolling-count
    ( ... u n quot: ( ... elt -- ... ? ) -- ... v )
    [ count ] curry rolling-map ; inline