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A comment on A Conversation with Language Creators: Guido, James, Anders and Larry [video]. Parent comment

Re:A Conversation with Language Creators: Guido, James, Ande... by lizmat on Friday April 05, 2019 @04:44PM (#19586843)
Yes, Perl 6 has pre and post-conditions. They are available in the form of the `PRE` and `POST` phasers: https://docs.perl6.org/language/phasers#PRE , https://docs.perl6.org/language/phasers#POST
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