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A comment on The controller pattern is awful (and other OO heresy). Parent comment

Re:The controller pattern is awful (and other OO heresy) by igouy on Monday July 10, 2023 @02:58PM (#36671279)
> And to not have 'function' as a primitive…

"A block is essentially an anonymous function."

    [ :x | 1 + x ] value: 2
    ⇒ 3
https://cuis-smalltalk.github.io/TheCuisBook/Block-syntax.ht...
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