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| author | Magnus Henoch <[email protected]> | 2013-09-04 14:08:34 +0100 |
|---|---|---|
| committer | Magnus Henoch <[email protected]> | 2013-09-13 10:44:23 +0100 |
| commit | 0e4b0ae7ce57117a561f70fa51026d85b4702aaa (patch) | |
| tree | 4a0aba55aaeef71d6f2abed3b8aec50cd0018c6a /lib/stdlib/test/dict_test_lib.erl | |
| parent | 5b56a49d15d10ad4a35dbc8b2a4b01486f1d5294 (diff) | |
| download | otp-0e4b0ae7ce57117a561f70fa51026d85b4702aaa.tar.gz otp-0e4b0ae7ce57117a561f70fa51026d85b4702aaa.tar.bz2 otp-0e4b0ae7ce57117a561f70fa51026d85b4702aaa.zip | |
Add dict:is_empty/1 and orddict:is_empty/1
dict:size/1 runs in constant time, but orddict:size/1 does not. With
this change, the two modules stay API compatible and gain a
constant-time function for checking whether a dictionary is empty.
Diffstat (limited to 'lib/stdlib/test/dict_test_lib.erl')
| -rw-r--r-- | lib/stdlib/test/dict_test_lib.erl | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/stdlib/test/dict_test_lib.erl b/lib/stdlib/test/dict_test_lib.erl index e308fd0721..4fdb4fa0bd 100644 --- a/lib/stdlib/test/dict_test_lib.erl +++ b/lib/stdlib/test/dict_test_lib.erl @@ -28,6 +28,7 @@ new(Mod, Eq) -> (from_list, L) -> from_list(Mod, L); (module, []) -> Mod; (size, D) -> Mod:size(D); + (is_empty, D) -> Mod:is_empty(D); (to_list, D) -> to_list(Mod, D) end. |