Jumping in ! I said in the github issue that I was in favour of macros, but 
macros imply hacking the (haskell) core of the compiler. Wouldn't 
preprocessor be a better description ?

On Saturday, June 11, 2016 at 9:39:28 PM UTC+2, Isaac Shapira wrote:
>
> @mgold <https://github.com/mgold> If you are suggesting that tedious to 
> write elm code should be addressed by a distributed series of independent 
> browser based online code generators, I'm going to say that's not a real 
> solution. I don't want to go to a different set of browser bookmarks for 
> different common derivable code scenarios. Nor do I want code generation 
> outside of my build process.
>
> If you are suggesting using things like json-to-elm inside of a build 
> process, then we are potentially in some kind of module loader hell. 
> json-to-elm looks like it uses python for generation, so now python is in 
> the stack, and there is no consistent standard for how these distributed 
> set of tools should work. If we wish to address 10+ boilerplate heavy 
> scenarios, we now have to custom install and rig together disparate apis of 
> these different generation tool into our build. And once all that is 
> working, essentially we just invented fraken macros, where macro code is 
> separate outside of .elm files.
>
> A proper macro system seems like the only solution to me atm. That's not 
> to say there is only one way of going about it.
>
> One way that might address the "One Language" and maintainability concern, 
> is to have macros that are outside of Elm. As in elm-make provides a 
> facility to pipe code into an external process for expansion. Then type 
> checks the expanded code. This could also mean that elm-package now needs 
> the ability to let code generator authors package an executable with any 
> surrounding elm files. I feel this could also discourage the abuse that can 
> come from macros, as there are more barriers to set up the external code 
> gen process and wire it in.
>
> On Saturday, June 11, 2016 at 1:26:55 PM UTC-6, Isaac Shapira wrote:
>>
>> Continuing the discussion started here:
>>
>> https://github.com/elm-lang/elm-compiler/issues/1413
>>
>

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