trec.erl:28: Function test/0 has no local return
trec.erl:29: The call trec:mk_foo_loc(42,any()) will never return since it differs in the 1st argument from the success typing arguments: ('undefined',atom())
trec.erl:31: Function mk_foo_loc/2 has no local return
trec.erl:32: Record construction violates the declared type for #foo{} since variable A cannot be of type atom()
trec.erl:38: Function mk_foo_exp/2 has no local return
trec.erl:39: Record construction violates the declared type for #foo{} since variable A cannot be of type atom()