Oh, and of course, if task was something not involving Task.toMaybe or Task.toResult (for, example, task could have been simply Task.succeed ...), then:
If in 0.16 you had: task |> Effects.task use the following in 0.17: task |> Task.perform never identity 2016-05-19 12:37 GMT+02:00 Janis Voigtländer <[email protected]>: > Questions how to do migrate 0.16 code involving Effects.task to 0.17 have > come up repeatedly now, so I thought it makes sense to write down general > advice about this. Below is *my* advice. In each of the cases below, I > first give a snippet of 0.16 code and what I advise to use as equivalent > 0.17 code. In each case, when the 0.16 version has some type of the form > Effects > SomeType, the 0.17 code I give has type Cmd SomeType (for the same > SomeType, of course). > > So, here goes: > > If in 0.16 you had: > > task |> Task.toMaybe |> Effects.task > > use the following in 0.17: > > task |> Task.perform (always Nothing) Just > > ------------------------------ > > If in 0.16 you had: > > task |> Task.toMaybe |> Task.map action |> Effects.task > > use the following in 0.17: > > task |> Task.toMaybe |> Task.perform never action > > ------------------------------ > > If in 0.16 you had: > > task |> Task.toResult |> Effects.task > > use the following in 0.17: > > task |> Task.perform Err Ok > > ------------------------------ > > If in 0.16 you had: > > task |> Task.toResult |> Task.map action |> Effects.task > > use the following in 0.17: > > task |> Task.toResult |> Task.perform never action > > ------------------------------ > > The function never used in two places above is from > http://package.elm-lang.org/packages/elm-community/basics-extra. > > -- You received this message because you are subscribed to the Google Groups "Elm Discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
