diff options
author | Micael Karlberg <[email protected]> | 2011-03-17 12:19:57 +0100 |
---|---|---|
committer | Micael Karlberg <[email protected]> | 2011-03-17 12:19:57 +0100 |
commit | 6b1d1ab0a27e9ed08a626e18319beb91d0a0d5ce (patch) | |
tree | 82e54daec07390bb4cad8b279e0e8d1fd0170b78 /lib/dialyzer/test/opaque_tests_SUITE_data/src/wings/wings_util.erl | |
parent | 4f42486c2f94860c1aa8152562760b6a2aa7c5cb (diff) | |
parent | f861b4fdb3fd39e35f2951c53a73b30a98c7f973 (diff) | |
download | otp-6b1d1ab0a27e9ed08a626e18319beb91d0a0d5ce.tar.gz otp-6b1d1ab0a27e9ed08a626e18319beb91d0a0d5ce.tar.bz2 otp-6b1d1ab0a27e9ed08a626e18319beb91d0a0d5ce.zip |
Merge branch 'dev' into bmk/inets/ftp/missing_spec_causes_dialyxer_problems/OTP-9114
Also fixed a bunch of "end-years" (was 2010 but should have been 2011,
which the commit hook not happy with).
Diffstat (limited to 'lib/dialyzer/test/opaque_tests_SUITE_data/src/wings/wings_util.erl')
-rw-r--r-- | lib/dialyzer/test/opaque_tests_SUITE_data/src/wings/wings_util.erl | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/lib/dialyzer/test/opaque_tests_SUITE_data/src/wings/wings_util.erl b/lib/dialyzer/test/opaque_tests_SUITE_data/src/wings/wings_util.erl new file mode 100644 index 0000000000..9572e19955 --- /dev/null +++ b/lib/dialyzer/test/opaque_tests_SUITE_data/src/wings/wings_util.erl @@ -0,0 +1,39 @@ +%% +%% wings_util.erl -- +%% +%% Various utility functions that not obviously fit somewhere else. +%% + +-module(wings_util). + +-export([gb_trees_smallest_key/1, gb_trees_largest_key/1, + gb_trees_map/2, rel2fam/1]). + +-include("wings.hrl"). + +rel2fam(Rel) -> + sofs:to_external(sofs:relation_to_family(sofs:relation(Rel))). + +%% a definition that does not violate the opaqueness of gb_tree() +gb_trees_smallest_key(Tree) -> + {Key, _V} = gb_trees:smallest(Tree), + Key. + +%% a definition that violates the opaqueness of gb_tree() +gb_trees_largest_key({_, Tree}) -> + largest_key1(Tree). + +largest_key1({Key, _Value, _Smaller, nil}) -> + Key; +largest_key1({_Key, _Value, _Smaller, Larger}) -> + largest_key1(Larger). + +gb_trees_map(F, {Size,Tree}) -> + {Size,gb_trees_map_1(F, Tree)}. + +gb_trees_map_1(_, nil) -> nil; +gb_trees_map_1(F, {K,V,Smaller,Larger}) -> + {K,F(K, V), + gb_trees_map_1(F, Smaller), + gb_trees_map_1(F, Larger)}. + |