Define a primitive data type: Difference between revisions

# dies, too small. string is 0 interpreted numerically</lang>

=={{header|Perl 6}}==

 

<lang perl6>subset OneToTen of Int where { 1 <= $^n <= 10 }

<code>{ 1 <= $^n <= 10 }(11)</code> returns a false value, so the second assignment throws an exception. You can use any unary function in place of <code>{ 1 <= $^n <= 10 }</code>, so this, for example, is also legal:

 

 

=={{header|PicoLisp}}==