19 lines
547 B
Plaintext
19 lines
547 B
Plaintext
!import "../../lib/base.tri" !Local
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!import "../../lib/list.tri" !Local
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!import "../../lib/io.tri" !Local
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-- Basic fork and await.
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-- fork spawns a concurrent task and returns a handle.
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-- await blocks until the task completes and returns its value.
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worker = msg :
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bind (putStrLn (append "working: " msg)) (_ :
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pure (append msg "-result"))
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main = io <|
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(bind (fork (worker "job1")) (h1 :
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bind (fork (worker "job2")) (h2 :
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bind (await h1) (r1 :
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bind (await h2) (r2 :
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putStrLn (append "Got " (append r1 (append " and " r2))))))))
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