http://www.perlmonks.org?node_id=11110280


in reply to Inchworm vs scalar: on boolean false value

Also, if you're not using the ouput of map, it's shorter and easier to read (IMHO at least) to use a postfix for loop: 

print "[$_]" for
    scalar( 1 == 0 ),
    ~~ '',
    ~~ scalar( 1 == 0 ),
    ~~ ( 1 == 0 );

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