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comparison util/set.lua @ 6679:96e034508978

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Merge 0.10->trunk
author Matthew Wild <mwild1@gmail.com>
date Wed, 13 May 2015 17:00:27 +0100
parents cb5b56ddabfd
children 5de6b93d0190
comparison
equal deleted inserted replaced
6666:42fdc8dddf04 6679:96e034508978
32 end 32 end
33 end 33 end
34 return new_set; 34 return new_set;
35 end 35 end
36 function set_mt.__eq(set1, set2) 36 function set_mt.__eq(set1, set2)
37 local set1, set2 = set1._items, set2._items; 37 set1, set2 = set1._items, set2._items;
38 for item in pairs(set1) do 38 for item in pairs(set1) do
39 if not set2[item] then 39 if not set2[item] then
40 return false; 40 return false;
41 end 41 end
42 end 42 end
64 64
65 function new(list) 65 function new(list)
66 local items = setmetatable({}, items_mt); 66 local items = setmetatable({}, items_mt);
67 local set = { _items = items }; 67 local set = { _items = items };
68 68
69 -- We access the set through an upvalue in these methods, so ignore 'self' being unused
70 --luacheck: ignore 212/self
71
69 function set:add(item) 72 function set:add(item)
70 items[item] = true; 73 items[item] = true;
71 end 74 end
72 75
73 function set:contains(item) 76 function set:contains(item)
80 83
81 function set:remove(item) 84 function set:remove(item)
82 items[item] = nil; 85 items[item] = nil;
83 end 86 end
84 87
85 function set:add_list(list) 88 function set:add_list(item_list)
86 if list then 89 if item_list then
87 for _, item in ipairs(list) do 90 for _, item in ipairs(item_list) do
88 items[item] = true; 91 items[item] = true;
89 end 92 end
90 end 93 end
91 end 94 end
92 95