typed-racket/typed-racket-test/fail/unit-typed-untyped-1.rkt
Daniel Feltey 2e0cc095c7 Initial support for typed units in typed racket.
Most unit forms are supported, including most of the "infer" forms that
infer imports/exports/linkages from the current context.

Notably, none of the structural linking forms for units are supported, and
`define-unit-binding` is also currently unsupported.
2015-09-10 16:32:11 -05:00

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Racket

#;
(exn-pred #rx"u: broke its own contract\n promised: Integer")
#lang racket
(module untyped racket
(provide u)
(define u (unit (import) (export) "not an integer")))
(module typed typed/racket
(require/typed (submod ".." untyped)
[u (Unit (import) (export) Integer)])
(invoke-unit u))
(require 'typed)