[erlang-questions] Function Dependency

[Tyron Zerafa]

Hey,
    Is there a way in Erlang which can give me a function's dependencies?
Such as dependency_of_fun(A) will result in all functions' names (including
modules)
 being used in A? Also, apart from this, can I somehow extract a function
clause by knowing its signature only?

Thanks in advance for all your help
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