Add the compose function to the List package.

[tibastral]

The compose function is useful when we want to apply a chain of functions to a single argument.

[process-bot]

Thanks for the pull request! Make sure it satisfies this checklist. My human colleagues will appreciate it!

Here is what to expect next, and if anyone wants to comment, keep these things in mind.

[process-bot]

Thanks for the pull request! Make sure it satisfies this checklist. My human colleagues will appreciate it!

Here is what to expect next, and if anyone wants to comment, keep these things in mind.

[mgold]

This should start in the list-extra package.

[mgold]

This should start in the list-extra package.

[jvoigtlaender]

Or in a function-extra package. Even in core, I doubt that List would be the right module for this function.

[jvoigtlaender]

Or in a function-extra package. Even in core, I doubt that List would be the right module for this function.

[tibastral]

Thank you for your feedback. I keep using this function everywhere, simple, generic and I would say it also can give ideas to people, and is kind of a "functional programming only" concept, that's why I think it could be a good function to have here.

[tibastral]

Thank you for your feedback. I keep using this function everywhere, simple, generic and I would say it also can give ideas to people, and is kind of a "functional programming only" concept, that's why I think it could be a good function to have here.

[jvoigtlaender]

But have you read the following paragraph?

https://github.com/elm-lang/core/blob/master/CONTRIBUTING.md#adding-new-functions

It clearly indicates that you should close your pull request here and instead target it at another package. It even points you to elm-community.

And as said above, having this function be called List.compose seems wrong. It is not about composing list(s).

[jvoigtlaender]

But have you read the following paragraph?

https://github.com/elm-lang/core/blob/master/CONTRIBUTING.md#adding-new-functions

It clearly indicates that you should close your pull request here and instead target it at another package. It even points you to elm-community.

And as said above, having this function be called List.compose seems wrong. It is not about composing list(s).

[evancz]

Better in *-extra and we can bring in things later in a coherent way.

[evancz]

Better in *-extra and we can bring in things later in a coherent way.