Show HN: C++ runtime/compile-time detection in constexpr functions

Re:Show HN: C++ runtime/compile-time detection in constexpr ... by billsix on Tuesday August 08, 2017 @07:57PM (#14964201)

In my libbug library, computation at Compile-Time uses the exact same language as the run-time

  {at-both-times
   {define fact
     [|n| (if (= n 0)
              [1]
              [(* n (fact (- n 1)))])]}}

  (pp {at-compile-time-expand   (fact 3)})
  (pp (fact 3))

https://github.com/billsix/bug

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