Actually no - the syntax of given can not be implemented in Perl through a module1. You can use source filters to rewrite the program, like Switch did, but you will then get all the problems that are associated with source filters.

1 Discounting Devel::Declare, which for Perl 5.10 tries to allow new keywords through modules.

Update: Arunbear tells me that Devel::Declare only requires Perl 5.8.1, so modifying the parse process might be possible even there.

In reply to Re^5: Perl 6 grammar question by Corion
in thread Perl 6 grammar question by Anonymous Monk

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