sidef/scripts/RosettaCode/empty_directory_1.sf

#!/usr/bin/ruby

#
## https://rosettacode.org/wiki/Empty_directory
#

func is_empty(dir) {
    dir.open(\var dir_h) || return nil;
    dir_h.each { |file|
        file ~~ ['.', '..'] && next;
        return false;
    };
    return true;
};

say is_empty(Dir.cwd);