Return to Answer

Commonmark migration

edited Jun 10, 2020 at 13:24

edited Jun 10, 2020 at 13:24

###all

Your if can become:

if (2..20).all? {|d| x % d == 0}

To avoid repetition.

all returns at the first false so this should be as fast as yours.

###all

Your if can become:

if (2..20).all? {|d| x % d == 0}

To avoid repetition.

all returns at the first false so this should be as fast as yours.

Your if can become:

if (2..20).all? {|d| x % d == 0}

To avoid repetition.

all returns at the first false so this should be as fast as yours.

answered Apr 1, 2016 at 18:25

answered Apr 1, 2016 at 18:25

###all

Your if can become:

if (2..20).all? {|d| x % d == 0}

To avoid repetition.

all returns at the first false so this should be as fast as yours.

lang-rb