Software / code / prosody
Diff
util/set.lua @ 11120:b2331f3dfeea
Merge 0.11->trunk
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Wed, 30 Sep 2020 09:50:33 +0100 |
| parent | 10594:13d5fb74648f |
| child | 11560:3bbb1af92514 |
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--- a/util/set.lua Thu Oct 01 15:08:58 2020 +0100 +++ b/util/set.lua Wed Sep 30 09:50:33 2020 +0100 @@ -8,6 +8,7 @@ local ipairs, pairs, setmetatable, next, tostring = ipairs, pairs, setmetatable, next, tostring; +local getmetatable = getmetatable; local t_concat = table.concat; local _ENV = nil; @@ -146,6 +147,11 @@ return new_set; end function set_mt.__eq(set1, set2) + if getmetatable(set1) ~= set_mt or getmetatable(set2) ~= set_mt then + -- Lua 5.3+ calls this if both operands are tables, even if metatables differ + return false; + end + set1, set2 = set1._items, set2._items; for item in pairs(set1) do if not set2[item] then
