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authorKostis Sagonas <[email protected]>2012-12-13 16:07:09 +0100
committerKostis Sagonas <[email protected]>2012-12-13 16:07:09 +0100
commite8bbdbcb15731c2963144880cb20120d45350a01 (patch)
treed51e4bef54939399448abed7be266f145ee6804b /lib
parent1cbd897c43f0dab1275392a3736e4629c1f80243 (diff)
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Clean up some specs
It is actually wrong to be using the same variable name to denote arguments and return values which have possibly different types. This patch corrects this.
Diffstat (limited to 'lib')
-rw-r--r--lib/stdlib/src/proplists.erl48
1 files changed, 28 insertions, 20 deletions
diff --git a/lib/stdlib/src/proplists.erl b/lib/stdlib/src/proplists.erl
index e3eda5d932..4df4669291 100644
--- a/lib/stdlib/src/proplists.erl
+++ b/lib/stdlib/src/proplists.erl
@@ -51,7 +51,7 @@
-export_type([property/0, proplist/0]).
--type property() :: atom() | tuple().
+-type property() :: atom() | tuple().
-type proplist() :: [property()].
%% ---------------------------------------------------------------------
@@ -63,8 +63,9 @@
%%
%% @see property/2
--spec property(Property) -> Property when
- Property :: property().
+-spec property(PropertyIn) -> PropertyOut when
+ PropertyIn :: property(),
+ PropertyOut :: property().
property({Key, true}) when is_atom(Key) ->
Key;
@@ -97,8 +98,9 @@ property(Key, Value) ->
%%
%% @see compact/1
--spec unfold(List) -> List when
- List :: [term()].
+-spec unfold(ListIn) -> ListOut when
+ ListIn :: [term()],
+ ListOut :: [term()].
unfold([P | Ps]) ->
if is_atom(P) ->
@@ -115,8 +117,9 @@ unfold([]) ->
%% @see unfold/1
%% @see property/1
--spec compact(List) -> List when
- List :: [property()].
+-spec compact(ListIn) -> ListOut when
+ ListIn :: [property()],
+ ListOut :: [property()].
compact(List) ->
[property(P) || P <- List].
@@ -199,7 +202,7 @@ is_defined(_Key, []) ->
-spec get_value(Key, List) -> term() when
Key :: term(),
- List :: List::[term()].
+ List :: [term()].
get_value(Key, List) ->
get_value(Key, List, undefined).
@@ -272,9 +275,10 @@ get_all_values(_Key, []) ->
%%
%% @see get_all_values/2
--spec append_values(Key, List) -> List when
+-spec append_values(Key, ListIn) -> ListOut when
Key :: term(),
- List :: [term()].
+ ListIn :: [term()],
+ ListOut :: [term()].
append_values(Key, [P | Ps]) ->
if is_atom(P), P =:= Key ->
@@ -357,7 +361,7 @@ get_keys([], Keys) ->
-spec delete(Key, List) -> List when
Key :: term(),
- List::[term()].
+ List :: [term()].
delete(Key, [P | Ps]) ->
if is_atom(P), P =:= Key ->
@@ -388,10 +392,11 @@ delete(_, []) ->
%% @see substitute_negations/2
%% @see normalize/2
--spec substitute_aliases(Aliases, List) -> List when
+-spec substitute_aliases(Aliases, ListIn) -> ListOut when
Aliases :: [{Key, Key}],
Key :: term(),
- List::[term()].
+ ListIn :: [term()],
+ ListOut :: [term()].
substitute_aliases(As, Props) ->
[substitute_aliases_1(As, P) || P <- Props].
@@ -431,10 +436,11 @@ substitute_aliases_1([], P) ->
%% @see substitute_aliases/2
%% @see normalize/2
--spec substitute_negations(Negations, List) -> List when
+-spec substitute_negations(Negations, ListIn) -> ListOut when
Negations :: [{Key, Key}],
Key :: term(),
- List :: [term()].
+ ListIn :: [term()],
+ ListOut :: [term()].
substitute_negations(As, Props) ->
[substitute_negations_1(As, P) || P <- Props].
@@ -497,9 +503,10 @@ substitute_negations_1([], P) ->
%%
%% @see normalize/2
--spec expand(Expansions, List) -> List when
+-spec expand(Expansions, ListIn) -> ListOut when
Expansions :: [{Property :: property(), Expansion :: [term()]}],
- List :: [term()].
+ ListIn :: [term()],
+ ListOut :: [term()].
expand(Es, Ps) when is_list(Ps) ->
Es1 = [{property(P), V} || {P, V} <- Es],
@@ -599,15 +606,16 @@ flatten([]) ->
%% @see expand/2
%% @see compact/1
--spec normalize(List, Stages) -> List when
- List :: [term()],
+-spec normalize(ListIn, Stages) -> ListOut when
+ ListIn :: [term()],
Stages :: [Operation],
Operation :: {'aliases', Aliases}
| {'negations', Negations}
| {'expand', Expansions},
Aliases :: [{Key, Key}],
Negations :: [{Key, Key}],
- Expansions :: [{Property :: property(), Expansion :: [term()]}].
+ Expansions :: [{Property :: property(), Expansion :: [term()]}],
+ ListOut :: [term()].
normalize(L, [{aliases, As} | Xs]) ->
normalize(substitute_aliases(As, L), Xs);