[erlang-questions] xref doesn't show all the calls

[Gonchar Denis]

Hi, all.

I noticed that *xref* doesn't detect some of the calls.

here is the simple test module:

-module(test).
-compile(export_all).

test()->
lists:reverse([]),
lists:keyfind(a,1,[]).

and* xref* query to get the calls from the module:

*1>* c(test,[debug_info]).
{ok,test}
*2>* xref:start(s).
{ok,<0.41.0>}
*3>* xref:add_directory(s,".").
{ok,[test]}
*4>* xref:q(s, "E | test:Mod").
{ok,[{{test,test,0},{lists,reverse,1}}]}
*5>* xref:stop(s).
stopped

can anyone explain why *xref* doesn't detect* lists:keyfind/3* call?

Regards,
Denis
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