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perl6/gist:119159

Created May 28, 2009 07:26
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gistfile1.txt
$ cat z
grammar ABC {
token TOP { abc | <oops: "Failed to find abc!"> }
method oops($msg) { die $msg; }
}
ABC.parse('xyz');
$ ./perl6 z
Failed to find abc!
in method ABC::oops (z:3)
called from regex ABC::TOP (z:1)
called from Main (z:6)
$
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