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Elixir metaprogramming cheatsheet
source link: https://devhints.io/elixir-metaprogramming
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Kernel
Most of these magic is defined in Kernel.SpecialForms.
Pseudo-variables
__DIR__ # current dir
__MODULE__ # current module
__CALLER__ # caller of the function
__ENV__
Map.keys(__ENV__)
[:__struct__, :aliases, :context, :context_modules, :export_vars, :file,
:function, :functions, :lexical_tracker, :line, :macro_aliases, :macros,
:module, :requires, :vars]
__CALLER__.module |> Module.definitions_in |> IO.inspect
apply(Enum, :reverse, [[1, 2, 3]])
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