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takikawa/gist:10795791

Created April 16, 2014 01:23
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gistfile1.txt
Racket:
Welcome to Racket v6.0.1.3.
-> (let () (+ x 3) (define x 3) 5)
; x: variable used before its definition [,bt for context]
->
Typed Racket:
Welcome to Racket v6.0.1.3.
-> (let () (+ x 3) (define x 3) 5)
- : Integer [more precisely: Positive-Byte]
5
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