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-rw-r--r--lib/stdlib/src/qlc.erl18
1 files changed, 10 insertions, 8 deletions
diff --git a/lib/stdlib/src/qlc.erl b/lib/stdlib/src/qlc.erl
index 3ba3a88038..b396ba7057 100644
--- a/lib/stdlib/src/qlc.erl
+++ b/lib/stdlib/src/qlc.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2004-2015. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -51,6 +51,8 @@
-export([template_state/0, aux_name/3, name_suffix/2, vars/1,
var_ufold/2, var_fold/3, all_selections/1]).
+-dialyzer(no_improper_lists).
+
%% When cache=list lists bigger than ?MAX_LIST_SIZE bytes are put on
%% file. Also used when merge join finds big equivalence classes.
-define(MAX_LIST_SIZE, 512*1024).
@@ -808,21 +810,21 @@ options(Options0, [Key | Keys], L) when is_list(Options0) ->
{ok, U};
{pre_fun, U=undefined} ->
{ok, U};
- {info_fun, Fun} when is_function(Fun), is_function(Fun, 1) ->
+ {info_fun, Fun} when is_function(Fun, 1) ->
{ok, Fun};
- {pre_fun, Fun} when is_function(Fun), is_function(Fun, 1) ->
+ {pre_fun, Fun} when is_function(Fun, 1) ->
{ok, Fun};
- {post_fun, Fun} when is_function(Fun), is_function(Fun, 0) ->
+ {post_fun, Fun} when is_function(Fun, 0) ->
{ok, Fun};
- {lookup_fun, Fun} when is_function(Fun), is_function(Fun, 2) ->
+ {lookup_fun, Fun} when is_function(Fun, 2) ->
{ok, Fun};
{max_lookup, Max} when is_integer(Max), Max >= 0 ->
{ok, Max};
{max_lookup, infinity} ->
{ok, -1};
- {format_fun, Fun} when is_function(Fun), is_function(Fun, 1) ->
+ {format_fun, Fun} when is_function(Fun, 1) ->
{ok, Fun};
- {parent_fun, Fun} when is_function(Fun), is_function(Fun, 0) ->
+ {parent_fun, Fun} when is_function(Fun, 0) ->
{ok, Fun};
{key_equality, KE='=='} ->
{ok, KE};
@@ -885,7 +887,7 @@ options(Options0, [Key | Keys], L) when is_list(Options0) ->
{depth, Depth} when Depth =:= infinity;
is_integer(Depth), Depth >= 0 ->
{ok, Depth};
- {order, Order} when is_function(Order), is_function(Order, 2);
+ {order, Order} when is_function(Order, 2);
(Order =:= ascending);
(Order =:= descending) ->
{ok, Order};