>n/label ( string -- byte-array )

Vocabulary

dns

Inputs

string

an object

Outputs

byte-array

an object

Definition

USING: arrays ascii kernel sequences ;

IN: dns

: >n/label ( string -- byte-array )
    dup [ ascii? ] all? [ unsupported-domain-name ] unless
    [ length 1array ] [ ] bi B{ } append-as ;