maps1.erl:20: Function recv/3 has no local return
maps1.erl:25: Function decode/1 has no local return
maps1.erl:31: Function t1/0 has no local return
maps1.erl:40: Function update/2 has no local return
maps1.erl:43: Function t3/0 has no local return
maps1.erl:46: Function foo/2 has no local return
maps1.erl:52: The call Mod:'function'(~{'literal'=>'map'}~,'another_arg') requires that Mod is of type atom() not #{}