typed-racket/typed-racket-test/succeed/unit-typed-untyped-values.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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362 B
Racket

#lang racket
(module typed typed/racket
(provide (all-defined-out))
(define u
(unit (import)
(export)
(values (lambda ([x : String]) x)
(lambda ([n : Integer]) (sqr n))))))
(module untyped racket
(require (submod ".." typed))
(define-values (f g) (invoke-unit u))
(f "string")
(g 5))
(require 'untyped)