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dongyuwei/method_missing.erl

Last active July 10, 2017 02:46
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Erlang's method_missing : '$handle_undefined_function'
Raw
method_missing.erl
-module(method_missing).
-export(['$handle_undefined_function'/2]).
'$handle_undefined_function'(Func, Args) ->
io:format("Called undefined function '~p' with args ~p.~n", [Func, Args]).
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dongyuwei commented Jun 20, 2017 •
edited

https://github.com/erlang/otp/blob/maint/lib/kernel/src/error_handler.erl#L139

test in erl shell

c(method_missing).
method_missing:foobar(1,2).

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