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38 lines
1.1 KiB
Racket
38 lines
1.1 KiB
Racket
#lang racket/base
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(require (for-syntax racket/base))
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(require racket/contract)
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(provide define+provide define+provide/contract define/contract+provide)
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(define-syntax (define+provide stx)
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(syntax-case stx ()
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[(_ (proc arg ... . rest-arg) body ...)
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#'(define+provide proc
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(λ(arg ... . rest-arg) body ...))]
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[(_ name body ...)
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#'(begin
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(provide name)
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(define name body ...))]))
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(define-syntax (define+provide/contract stx)
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(syntax-case stx ()
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[(_ (proc arg ... . rest-arg) contract body ...)
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#'(define+provide/contract proc contract
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(λ(arg ... . rest-arg) body ...))]
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[(_ name contract body ...)
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#'(begin
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(provide (contract-out [name contract]))
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(define name body ...))]))
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(define-syntax (define/contract+provide stx)
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(syntax-case stx ()
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[(_ (proc arg ... . rest-arg) contract body ...)
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#'(define/contract+provide proc contract
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(λ(arg ... . rest-arg) body ...))]
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[(_ name contract body ...)
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#'(begin
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(provide name)
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(define/contract name contract body ...))]))
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