def IO.fork
import Base282def IO.fork(-A: Type, act: IO(A)) -> IO(Chan(A)):
283 IO.bind(Chan(A), Chan(A), Chan.new(A, 1), IO.fork.go(A, act))
import Base282def IO.fork(-A: Type, act: IO(A)) -> IO(Chan(A)):
283 IO.bind(Chan(A), Chan(A), Chan.new(A, 1), IO.fork.go(A, act))