Workflow in mix / iex

[J David Eisenberg]

Presume I am creating a new application with these commands:

    mix new my_app
    cd my_app

I then use the editor of my choice  to put some functions into lib/my_app.ex

If I want to test those functions in iex, am I best off doing this:

    iex -S mix

or
    cd lib
    iex

If I do the former, then when I make changes to the source file, I have to do this in iex:

   c("lib/my_app.ex")

whereas the second version needs only

   c("my_app.ex")


Both of these seem to work equally well. Which is the correct or preferred way, if either? Or is there a "best practices" method that I am totally missing here?

[Louis Pilfold]

Hey!

In iex recompile/0 will recompile the current project, so no need to specify paths.

http://elixir-lang.org/docs/stable/iex/IEx.Helpers.html#recompile/0

Cheers,
Louis

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[Steven Leiva]

Louis,

Great tip! Thanks. Funny how much more there is to IEx. I should certainly take the time to look at the docs.

[OvermindDL1]

Though the correct way to test those functions should probably be by running `mix test`.  ^.^

[Louis Pilfold]

One could even run it automatically using `mix test.watch` ;)

https://github.com/lpil/mix-test.watch

> https://groups.google.com/d/msgid/elixir-lang-talk/38edb4d7-1ef6-4ee7-837f-14f28201347f%40googlegroups.com.