Heronian triangles: Difference between revisions

→‎{{header|Perl 6}}: better integer test
(Better D entry)
(→‎{{header|Perl 6}}: better integer test)
Line 198:
sub heronian-area($a, $b, $c) {
$_ when Int given hero ($a, $b, $c { ).floor == .ceiling ?? .floor !! 0 }narrow;
}
 
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