The BETA language does this with methods (you can't override a method, but you c... | Hacker News

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kabdib on Jan 4, 2012 | parent | context | favorite | on: A Programming Idiom You've Never Heard Of

The BETA language does this with methods (you can't override a method, but you can add pre-and-post operations that wrap it).

I was never convinced this was a great idiom. BETA didn't become very popular, in any event.

jon6 on Jan 4, 2012 [–]

Beta lives on in the Racket class system as (inner).

http://docs.racket-lang.org/reference/createclass.html?q=inn...)

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