read-into-buf ( buf stream quot -- buf-slice/f )

Vocabulary

io.private

Inputs

buf	an object
stream	an object
quot	an object

Outputs

buf-slice/f

an object

Definition

USING: kernel math sequences sequences.private ;

IN: io.private

: read-into-buf ( buf stream quot -- buf-slice/f )
    [ dup length over ] 2dip call
    [ head-to-index <slice-unsafe> ] [ zero? not ] bi ; inline