semver

Vocabulary

semver

Definition

USING: math ;

IN: semver

TUPLE: semver
    { major integer initial: 0 } { minor integer initial: 0 }
    { patch integer initial: 0 } prerelease build ;

Methods

USING: kernel math.order semver semver.private ;

M: semver <=>
    2dup major<=> dup +eq+ eq? [
        drop 2dup minor<=> dup +eq+ eq? [
            drop 2dup patch<=> dup +eq+ eq?
            [ drop prerelease<=> ] [ 2nip ] if
        ] [ 2nip ] if
    ] [ 2nip ] if ;


USING: semver ;

M: semver >semver ;