Software / code / prosody
Changeset
4908:8c5b5ebaacb0
util.set: Change '/' operator from filter to map+filter (nil to drop from set, false is a valid item). No code found which depends on current behaviour.
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Thu, 24 May 2012 18:51:18 +0100 |
| parents | 4907:32b638a8da5b |
| children | 4909:01bfb9a76660 |
| files | util/set.lua |
| diffstat | 1 files changed, 3 insertions(+), 2 deletions(-) [+] |
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--- a/util/set.lua Thu May 24 03:33:14 2012 +0100 +++ b/util/set.lua Thu May 24 18:51:18 2012 +0100 @@ -26,8 +26,9 @@ local new_set, new_items = _M.new(); local items, new_items = set._items, new_set._items; for item in pairs(items) do - if func(item) then - new_items[item] = true; + local new_item = func(item); + if new_item ~= nil then + new_items[new_item] = true; end end return new_set;
