fix specs

Author: benoitc

src/hackney.erl

@@ -43,7 +43,7 @@
 -type url() :: #hackney_url{} | binary().
 -export_type([url/0]).
 
--opaque client() :: #client{}.
+-type client() :: #client{}.
 -export_type([client/0]).
 
 -type client_ref() :: term().

src/hackney_http.erl

@@ -60,7 +60,7 @@
 -include("hackney_lib.hrl").
 
 
--opaque parser() :: #hparser{}.
+-type parser() :: #hparser{}.
 -export_type([parser/0]).
 
 -type http_version() :: {integer(), integer()}.
@@ -70,12 +70,17 @@
 -type uri() :: binary().
 -type body_result() :: {more, parser(), binary()}
 | {ok, binary(), parser()}
-| {done, binary()}.
+| {done, binary()}
+| done.
+
+-type header_result() :: {headers_complete, parser()}
+| {header, {binary(), binary()}, parser()}.
 
 -type parser_result() ::
 {response, http_version(), status(), http_reason(), parser()}
-| {request, http_version(), http_method(), uri(), parser()}
+| {request, http_method(), uri(), http_version(), parser()}
 | {more, parser()}
+| header_result()
 | body_result()
 | {error, term()}.
 
@@ -350,7 +355,7 @@ parse_body(St) ->
 
 
 -spec transfer_decode(binary(), #hparser{})
-    -> {ok, binary(), #hparser{}} | {error, atom()}.
+    -> {ok, binary(), #hparser{}} | {done, binary()} | {error, atom()}.
 transfer_decode(Data, St=#hparser{
   body_state={stream, TransferDecode,
     TransferState, ContentDecode},

src/hackney_response.erl

@@ -269,7 +269,7 @@ body(Client) ->
 body(MaxLength, Client) ->
   read_body(MaxLength, Client, <<>>).
 
--spec skip_body(#client{}) -> {ok, #client{}} | {error, atom()}.
+-spec skip_body(#client{}) -> {ok, #client{}} | {skip, #client{}} | {error, atom()}.
 skip_body(Client) ->
   case stream_body(Client) of
     {ok, _, Client2} -> skip_body(Client2);