[parsers] Newick tree format (used in bioinformatics)

Raku · Dec 7, 2012 · 343cb99 · 343cb99
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commit 343cb99
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/parsers/Newick.pm b/parsers/Newick.pm
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+#| Newick tree format. L<https://en.wikipedia.org/wiki/Newick_format>
+grammar Newick {
+    rule TOP { <node> ';' }
+    token node {
+        <name>
+        | '(' ~ ')' <node>+ % ',' <name>?
+    }
+    token name { <.ident>+ }
+}
+
+# vim: ft=perl6
+