Spin.start: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/share/spin.bend as Spin
Lines 24-32 of ezx@1.11.0.0/src/share/spin.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/share/spin.bend&start_line=24&end_line=32

import Base
import snap@1.4.0.0/main.bend as R
import ezx@1.11.0.0/src/share/say.bend as Say

# the mark, when there is a terminal to draw it on
def start(on: Bool, +dev: String, +msg: String) -> IO(Say.Spin):
  match on:
    case False{}:
      IO.pure(Say.Spin, Say.Spin{"", "", ""})
    case True{}:
      do IO<Say.Spin>:
        +pid : String <- R.start(["sh", "-c", Say.frames(), "sh", dev, msg])
        return Say.Spin{dev, String.trim(pid), msg}

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO.bind
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO.pure
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.trim
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/share/say.bend&name=Spin
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/share/say.bend&name=frames
  https://jend.leeeet.dev/definition.txt?path=snap@1.4.0.0/main.bend&name=start