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authorHans Bolinder <[email protected]>2015-02-12 16:33:57 +0100
committerHans Bolinder <[email protected]>2015-02-12 16:33:57 +0100
commit91cde7fe31b1542fed786d5427dff3d2d0d5421c (patch)
treefe5070f760ae5f7898187f01f312c1604a362890 /lib/dialyzer/test/small_SUITE_data
parent73996f6dabd8c90164da129ad5ac54293b3e4243 (diff)
parent3d6b7efcd7af5347def17c751cc9d411e58d82d1 (diff)
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[dialyzer] Fix a bug concerning map() types
Diffstat (limited to 'lib/dialyzer/test/small_SUITE_data')
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/maps_redef2.erl23
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/dialyzer/test/small_SUITE_data/src/maps_redef2.erl b/lib/dialyzer/test/small_SUITE_data/src/maps_redef2.erl
new file mode 100644
index 0000000000..945b2a9144
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/maps_redef2.erl
@@ -0,0 +1,23 @@
+%% In 17, the linter says that map(A) redefines 'type map', which is
+%% allowed until next release. However, Dialyzer used to replace
+%% map(A) with #{}, which resulted in warnings.
+
+-module(maps_redef2).
+
+-export([t/0]).
+
+-type map(_A) :: integer().
+
+t() ->
+ M = new(),
+ t1(M).
+
+-spec t1(map(_)) -> map(_).
+
+t1(A) ->
+ A + A.
+
+-spec new() -> map(_).
+
+new() ->
+ 3.