36 lines
816 B
Racket
36 lines
816 B
Racket
#lang minimart
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(require (only-in racket/port read-line-evt))
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(define (r e s)
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(match e
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[(message body _ _) (transition s (send `(got ,body) #:meta-level 1))]
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[_ #f]))
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(define (b e n)
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(match e
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[#f (if (< n 10)
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(transition (+ n 1) (send `(hello ,n)))
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#f)]
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[_ #f]))
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(spawn-world (spawn r (void) (sub ?))
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(spawn b 0))
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(define (spy e s)
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(when e (log-info "SPY: ~v" e))
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#f)
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(spawn spy (void) (gestalt-union (sub ? #:level 0)
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(sub ? #:level 1)
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(pub ? #:level 1)))
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(define (echoer e s)
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(match e
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[(message (event _ (list (? eof-object?))) _ _) (transition s (quit))]
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[(message (event _ (list line)) _ _) (transition s (send `(got-line ,line)))]
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[_ #f]))
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(spawn echoer (void) (sub (event (read-line-evt (current-input-port) 'any) ?)
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#:meta-level 1))
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