diff options
Diffstat (limited to 'lib/dialyzer/test/underspecs_SUITE_data')
| -rw-r--r-- | lib/dialyzer/test/underspecs_SUITE_data/results/arr | 4 | ||||
| -rw-r--r-- | lib/dialyzer/test/underspecs_SUITE_data/src/arr.erl | 41 |
2 files changed, 45 insertions, 0 deletions
diff --git a/lib/dialyzer/test/underspecs_SUITE_data/results/arr b/lib/dialyzer/test/underspecs_SUITE_data/results/arr new file mode 100644 index 0000000000..9497d12eec --- /dev/null +++ b/lib/dialyzer/test/underspecs_SUITE_data/results/arr @@ -0,0 +1,4 @@ + +arr.erl:14: Type specification arr:test2(array:array(T),non_neg_integer(),T) -> array:array(T) is a supertype of the success typing: arr:test2(array:array(_),pos_integer(),_) -> array:array(_) +arr.erl:24: Type specification arr:test4(array:array(T),non_neg_integer(),_) -> array:array(T) is a supertype of the success typing: arr:test4(array:array(_),pos_integer(),_) -> array:array(_) +arr.erl:29: Type specification arr:test5(array:array(T),non_neg_integer(),T) -> array:array(T) is a supertype of the success typing: arr:test5(array:array(_),non_neg_integer(),integer()) -> array:array(_) diff --git a/lib/dialyzer/test/underspecs_SUITE_data/src/arr.erl b/lib/dialyzer/test/underspecs_SUITE_data/src/arr.erl new file mode 100644 index 0000000000..3b265ccec2 --- /dev/null +++ b/lib/dialyzer/test/underspecs_SUITE_data/src/arr.erl @@ -0,0 +1,41 @@ +-module(arr). + +%% http://erlang.org/pipermail/erlang-questions/2014-August/080445.html + +-define(A, array). + +-export([test/3, test2/3, test3/3, test4/3, test5/3, test6/3]). + +-spec test(?A:array(T), non_neg_integer(), T) -> ?A:array(T). + +test(Array, N, Value) -> + ?A:set(N, Value, Array). + +-spec test2(?A:array(T), non_neg_integer(), T) -> ?A:array(T). + +test2(Array, N, Value) when N > 0 -> + ?A:set(N, Value, Array). + +-spec test3(?A:array(T), non_neg_integer(), _) -> ?A:array(T). + +test3(Array, N, Value) -> + ?A:set(N, Value, Array). + +-spec test4(?A:array(T), non_neg_integer(), _) -> ?A:array(T). + +test4(Array, N, Value) when N > 0 -> + ?A:set(N, Value, Array). + +-spec test5(?A:array(T), non_neg_integer(), T) -> ?A:array(T). + +test5(Array, N, Value) when is_integer(Value) -> + ?A:set(N, Value, Array). + +%% One would ideally want a warning also for test6(), but the current +%% analysis of parametrized opaque types is not strong enough to +%% discover this. +-spec test6(?A:array(integer()), non_neg_integer(), integer()) -> + ?A:array(any()). + +test6(Array, N, Value) -> + ?A:set(N, Value, Array). |