Inside 245-5D

Existential Pontification and Generalized Abstract Digressions

What Template Haskell gets wrong and Racket gets right

Why are macros in Haskell terrible, but macros in Racket great? There are certainly many small problems with GHC's Template Haskell support, but I would say that there is one fundamental design point which Racket got right and Haskell got wrong: Template Haskell does not sufficiently distinguish between compile-time and run-time phases. Confusion between these […]

  • July 18, 2016