学步园

try...catch

generate_exception(1)->a;
generate_exception(2)->throw(a);
generate_exception(3)->exit(a);
generate_exception(4)->{"EXIT",a};
generate_exception(5)->erlang:error(a).

demo1()->
	[catcher(X)||X<-[1,2,3,4,5]].

catcher(N)->
	try
		{A,B}=generate_exception(N),
		{N,A,B}
   catch
           throw:X->{N,caught,thrown,X};
           exit:X->{N,caught,exited,X};
           error:X->{N,caught,error,X}
     end.

栈跟踪

erlang:get_stacktrace()