The hexate from rjsamson

Possible namespace clash with Hex.pm?

I've been getting some very strange behaviour trying to use this package in my color library suranyami/cor.

Here are 2 consecutive runs of mix test with nothing else happening in between:

    > mix test
    lib/hex.ex:1: warning: redefining module Hex
    ==> hex
    Compiled lib/hex.ex
    Generated hex.app
    ==> cor
    Compiled lib/cor.ex
    lib/cor/rgb.ex:2: warning: unused import Hex
    Compiled lib/cor/rgb.ex
    Generated cor.app

      1) test html (Cor.RgbTest)
         test/rgb_test.exs:24
         Assertion with == failed
         code: Rgb.html(Rgb.red()) == "ff0000"
         lhs:  "#ff0000"
         rhs:  "ff0000"
         stacktrace:
           test/rgb_test.exs:25

    Finished in 0.07 seconds (0.07s on load, 0.00s on tests)
    5 tests, 1 failures
    Randomized with seed 840680

    > mix test
      1) test html (Cor.RgbTest)
         test/rgb_test.exs:24
         ** (UndefinedFunctionError) undefined function: Hex.encode/2
         stacktrace:
           Hex.encode(255.0, 2)
           (cor) lib/cor/rgb.ex:18: Cor.Rgb.html/1
           test/rgb_test.exs:25

      2) test hex_digits (Cor.RgbTest)
         test/rgb_test.exs:19
         ** (UndefinedFunctionError) undefined function: Hex.encode/2
         stacktrace:
           Hex.encode(255.0, 2)
           test/rgb_test.exs:20

    Finished in 0.08 seconds (0.08s on load, 0.00s on tests)
    5 tests, 2 failures

When I run iex -S mix and run Hex.encode(255.0, 2) in my lib's directory, I get UndefinedFunctionError.

When I run iex -S mix in the hex directory, it works as expected.

On a whim, I added a version function that returned "XXX" directly into deps/hex/lib/hex.ex file locally in my repo. Recompiled, ran iex -S mix:

    iex> Hex.version
      "XXX"

I then re-ran mix test, got the above errors, then ran iex -S mix for a SECOND TIME, and this is what I get:

    iex> Hex.version
      "0.4.2"

Which just so happens to be the same as Hex.pm version, as shown by:

> mix hex.info
Hex v0.4.2

Registry file available (last updated: 2014-09-27 08:31:03)
Size: 125kB
Packages #: 199
Versions #: 799

So, in summary:

Something weird is going on between the Hex.pm package manager and this hex library.
Running tests seems to clobber the hex library and replace it with hex.pm.

I'm going to temporarily rename my fork to hexate, and see if this voodoo all goes away. If it does, it might be an idea to rename this?

Either that, or dig deeper into what exactly is going on here.

This certainly raises some questions about namespaces in Elixir, too.

Publish on hex.pm?

It'd be nice if we could add this in deps as a hex package instead of having to specify git as the source.

https://hex.pm/docs/publish

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Possible namespace clash with Hex.pm?

Publish on hex.pm?

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