diff options
Diffstat (limited to 'lib/dialyzer/test/opaque_tests_SUITE_data/src/gb_sets/gb_sets_rec.erl')
| -rw-r--r-- | lib/dialyzer/test/opaque_tests_SUITE_data/src/gb_sets/gb_sets_rec.erl | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/dialyzer/test/opaque_tests_SUITE_data/src/gb_sets/gb_sets_rec.erl b/lib/dialyzer/test/opaque_tests_SUITE_data/src/gb_sets/gb_sets_rec.erl new file mode 100644 index 0000000000..008b0a486a --- /dev/null +++ b/lib/dialyzer/test/opaque_tests_SUITE_data/src/gb_sets/gb_sets_rec.erl @@ -0,0 +1,23 @@ +%%--------------------------------------------------------------------- +%% This module does not test gb_sets. Instead it tests that we can +%% create records whose fields are declared with an opaque type and +%% retrieve these fields without problems. Unitialized record fields +%% used to cause trouble for the analysis due to the implicit +%% 'undefined' value that record fields contain. The problem was the +%% strange interaction of ?opaque() and ?union() in the definition of +%% erl_types:t_inf/3. This was fixed 18/1/2009. +%% -------------------------------------------------------------------- + +-module(gb_sets_rec). + +-export([new/0, get_g/1]). + +-record(rec, {g :: gb_set()}). + +-spec new() -> #rec{}. +new() -> + #rec{g = gb_sets:empty()}. + +-spec get_g(#rec{}) -> gb_set(). +get_g(R) -> + R#rec.g. |