Algebraic data types: Difference between revisions

Content added Content deleted
(→‎{{header|Perl 6}}: update to use enums)
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Match black(leaf(3),leaf(4))
Match black(leaf(3),leaf(4))
Match black(leaf(5),leaf(4))
Match black(leaf(5),leaf(4))
list[void]: []
list[void]: []</lang>

</lang>



===Concrete===
===Concrete===