I am trying different versions but from what you wrote
executeQuery : Json.Decoder a -> Task Http.RawError Response -> (Maybe a ->
b) -> Cmd b
executeQuery decoder callback action =
fromJson decoder callback
|> Task.toMaybe
|> Task.perform Basics.Extra.never
gives
-- TYPE MISMATCH -------------------------------------------------
././Tools.elm The right argument of (|>) is causing a type mismatch. 54|
fromJson
decoder callback 55| |> Task.toMaybe 56|> |> Task.perform
Basics.Extra.never (|>) is expecting the right argument to be a: Task a
(Maybe b) -> c But the right argument is: (a -> b) -> Task Never a -> Cmd b
2016年5月19日木曜日 21時17分54秒 UTC+9 Janis Voigtländer:
>
> No, you get that with something different that what I wrote. Read my
> message again, please.
>
> 2016-05-19 14:15 GMT+02:00 Wyatt Benno <[email protected] <javascript:>>:
>
>> With this I get.
>>
>> executeQuery : Json.Decoder a -> Task Http.RawError Response -> (Maybe a
>> -> b) -> Cmd b
>> executeQuery decoder callback action =
>> fromJson decoder callback
>> |> Task.toMaybe
>> |> Task.map action
>> |> Task.perform Basics.Extra.never
>>
>> The right argument of (|>) is causing a type mismatch. 54| fromJson
>> decoder callback 55| |> Task.toMaybe 56| |> Task.map action 57|> |>
>> Task.perform Basics.Extra.never (|>) is expecting the right argument to
>> be a: Task a b -> c But the right argument is: (a -> b) -> Task Never a
>> -> Cmd b
>>
>> 2016年5月19日木曜日 18時38分44秒 UTC+9 Janis Voigtländer:
>>>
>>> Import http://package.elm-lang.org/packages/elm-community/basics-extra,
>>> replace line |> Task.map action in your 0.17 code by |> Task.perform
>>> Basics.Extra.never action, give the function the return type Cmd b,
>>> done.
>>>
>>>
>>> 2016-05-19 11:18 GMT+02:00 Wyatt Benno <[email protected]>:
>>>
>>>> I am having the same issue.
>>>>
>>>> 0.16 code
>>>>
>>>> executeQuery : Json.Decoder a -> Task Http.RawError Response -> (Maybe
>>>> a -> b) -> Effects b
>>>> executeQuery decoder callback action =
>>>> fromJson decoder callback
>>>> |> Task.toMaybe
>>>> |> Task.map action
>>>> |> Effects.task
>>>>
>>>> 0.17 code
>>>>
>>>> executeQuery : Json.Decoder a -> Task Http.RawError Response -> (Maybe
>>>> a -> b) -> Platform.Task a b
>>>> executeQuery decoder callback action =
>>>> fromJson decoder callback
>>>> |> Task.toMaybe
>>>> |> Task.map action
>>>>
>>>> But this results in a different type so I cannot use it in the model
>>>> update.
>>>>
>>>> Any ideas?
>>>>
>>>> 2016年5月13日金曜日 22時56分39秒 UTC+9 Peter Damoc:
>>>>>
>>>>> There is no direct equivalent. You need a fail Msg. I'll just use
>>>>> NoOp for example purposes.
>>>>>
>>>>> authenticateInstagramOAuthCode : String -> Cmd.Cmd Msg
>>>>> authenticateInstagramOAuthCode code =
>>>>> post decodeInstagramUserInfo "/oauth/validate/instagram"
>>>>> (Http.string code)
>>>>> |> Task.toMaybe
>>>>> |> Task.perform (\_-> NoOp) LoadInstagramData
>>>>>
>>>>> Of course, you fi want to handle the failure, you can get rid of the
>>>>> `toMaybe`
>>>>>
>>>>> authenticateInstagramOAuthCode : String -> Cmd.Cmd Msg
>>>>> authenticateInstagramOAuthCode code =
>>>>> post decodeInstagramUserInfo "/oauth/validate/instagram"
>>>>> (Http.string code)
>>>>> |> Task.perform LoadFailure LoadInstagramData
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Fri, May 13, 2016 at 10:56 AM, Zachary Kessin <[email protected]>
>>>>> wrote:
>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> Ok, I am trying to update to 0.17 in 0.16 I code like this
>>>>>>
>>>>>> authenticateDropboxOAuthCode : String -> Effects.Effects Action
>>>>>> authenticateDropboxOAuthCode code =
>>>>>> Http.post Instagram.decodeInstagramUserInfo
>>>>>> "/oauth/validate/dropbox" (Http.string code)
>>>>>> |> Task.toMaybe
>>>>>> |> Task.map LoadDropboxData
>>>>>> |> Effects.task
>>>>>>
>>>>>> In 0.17 I would think it would be like this, but the Cmd.task is not
>>>>>> right
>>>>>>
>>>>>> authenticateInstagramOAuthCode : String -> Cmd.Cmd Msg
>>>>>> authenticateInstagramOAuthCode code =
>>>>>> post decodeInstagramUserInfo "/oauth/validate/instagram"
>>>>>> (Http.string code)
>>>>>> |> Task.toMaybe
>>>>>> |> Task.map LoadInstagramData
>>>>>> |> Cmd.task
>>>>>>
>>>>>>
>>>>>> So what should it be?
>>>>>>
>>>>>> --
>>>>>> Zach Kessin
>>>>>> Your CRM Link
>>>>>> <http://yourcrm.link/?utm_source=email%20signature&utm_medium=email&utm_campaign=passive>
>>>>>> Twitter: @zkessin <https://twitter.com/zkessin>
>>>>>> Skype: zachkessin
>>>>>> ᐧ
>>>>>>
>>>>>> --
>>>>>> 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.
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> There is NO FATE, we are the creators.
>>>>> blog: http://damoc.ro/
>>>>>
>>>> --
>>>> 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.
>>>>
>>>
>>> --
>> 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] <javascript:>.
>> For more options, visit https://groups.google.com/d/optout.
>>
>
>
--
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.
