If you want a SSCCE, here it is: https://ellie-app.com/M5sydznVwXa1/0
This is what you might be doing (the equivalent, of course). On Wed, Mar 29, 2017 at 9:32 AM, Mark Hamburg <[email protected]> wrote: > I've now seen something like this a few times. The last time I tried to > build an SSCCE, the bug went away when I looked more closely so I expect to > get nasty messages from the bug submission system if I try to report it as > is, but I figured I would see whether anyone else has seen anything like > this in an effort to narrow in. > > This Elm code > > operationHandlers : List (Operation.Op Msg -> Maybe Updater) > operationHandlers = > [ handleAccountOperation > ] > > handleAccountOperation : Operation.Op Msg -> Maybe Updater > handleAccountOperation op = > case Debug.log "handleAccountOperation" op of > Operation.Account accountID accountOp -> > applyAccountOperation accountOp > |> Maybe.map (updateAccount accountID) > _ -> > Nothing > > > produces this JavaScript > > var _adobe$adlproj$App_SessionData$operationHandlers = { > ctor: '::', > _0: *_adobe$adlproj$App_SessionData$handleAccountOperation*, > _1: {ctor: '[]'} > }; > var _adobe$adlproj$App_SessionData$handleAccountOperation = function (op) > { > var _p5 = A2(_elm_lang$core$Debug$log, 'handleAccountOperation', op); > if (_p5.ctor === 'Account') { > return A2( > _elm_lang$core$Maybe$map, > _adobe$adlproj$App_SessionData$updateAccount(_p5._0), > _adobe$adlproj$App_SessionData$applyAccountOperation(_p5._1)); > } else { > return _elm_lang$core$Maybe$Nothing; > } > }; > > > Note the problem in bold: At the point where we construct the list, we > have not initialized the variable being stored in the list. When we then > try to call the function at the head of the list, we get informed that it > isn't a function. Boom. > > Reversing order does not fix this (and should not be required to fix this). > > Mark > > -- > 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.
