16 lines
500 B
Scheme
16 lines
500 B
Scheme
#lang scheme/base
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(require (lib "list.ss")
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(lib "contract.ss"))
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(require "dispatch.ss")
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(provide/contract
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[interface-version dispatcher-interface-version?])
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(provide make)
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(define interface-version 'v1)
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(define ((make . dispatchers) conn req)
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(let loop ([dispatchers dispatchers])
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(if (empty? dispatchers)
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(next-dispatcher)
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(with-handlers ([exn:dispatcher?
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(lambda (e) (loop (rest dispatchers)))])
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((first dispatchers) conn req))))) |