15 lines
337 B
Racket
15 lines
337 B
Racket
#lang syndicate
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(provide make-buffer)
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(define (make-buffer)
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(field [pending '()])
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(define (push item)
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(pending (cons item (pending))))
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(define (drain handler)
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(begin/dataflow
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(when (pair? (pending))
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(for [(item (in-list (reverse (pending))))] (handler item))
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(pending '()))))
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(values push drain))
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