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A comment on Maybe adding generics to Go is about syntax after all. Parent comment

Re:Maybe adding generics to Go is about syntax after all by erik_seaberg on Tuesday September 04, 2018 @01:26PM (#17910896)
WHEN takes an implicit PROGN like that (so does UNLESS). IF can't because it needs to delimit the then-form from the else-form somehow.

http://clhs.lisp.se/Body/m_when_.htm

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