mirror of
https://github.com/roc-lang/roc.git
synced 2025-09-29 14:54:47 +00:00
19 lines
639 B
Text
19 lines
639 B
Text
app "task-example"
|
|
packages { base: "platform" }
|
|
imports [ base.Task.{ Task }, base.File, base.Path ]
|
|
provides [ main ] to base
|
|
|
|
main : Task.Task {} []
|
|
main =
|
|
when Path.fromStr "examples/task/thing.txt" is
|
|
Ok path ->
|
|
{} <- Task.await (Task.putLine "Writing to file")
|
|
|
|
result <- Task.attempt (File.writeUtf8 path "zig is awesome")
|
|
|
|
when result is
|
|
Ok _ -> Task.putLine "successfully wrote to file"
|
|
Err BadThing -> Task.putLine "error writing to file"
|
|
Err _ -> Task.putLine "something worse"
|
|
|
|
_ -> Task.putLine "invalid path"
|