<sym-diff-class> ( a b -- a~b )

Vocabulary

regexp.classes

Inputs

a	an object
b	an object

Outputs

a~b

an object

Definition

USING: arrays kernel ;

IN: regexp.classes

: <sym-diff-class> ( a b -- a~b )
    2array [ <or-class> ] [ <and-class> ] bi <minus-class> ;