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Programming language that runs in Haskell's type system.

Typo is a programming language that runs in Haskell's type system. All computation happens in Haskell's type system. A Typo program is compiled to a Haskell module that's then typechecked to compute the result.

Typo is a Scheme-like language. A program consists of zero or more function definitions and an expression, which is required. The result of a Typo program is the result of the final expression when evaluated in the context of the preceding definitions and the built-in integer and boolean operators.

(define (fac n)
  (if (== n 0)
      (* n (fac (- n 1)))))

(fac 5)
Information updated 11/11/17
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