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make echo example work (with loop, not yet with forever)

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Folkert 2022-01-22 15:09:28 +01:00 • committed by Jan Van Bruggen
parent 7e28d557ec
commit d3b51ea8ea
1 changed files with 4 additions and 2 deletions
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6
examples/cli/echo.roc
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@ -3,11 +3,13 @@ app "echo"
imports [ pf.Stdin, pf.Stdout, pf.Task ]
provides [ main ] to pf
main : Task.Task {} *
main : Task.Task {} []
main =
_ <- Task.await (Stdout.line "Shout into this cave and hear the echo!")
Task.forever tick
Task.loop {} (\{} -> Task.map tick Step)
# Task.forever tick # still does not work; loops for a while, then stack overflows for me
tick : Task.Task {} []
tick =
shout <- Task.await Stdin.line
Stdout.line shout