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62 lines
1.2 KiB
62 lines
1.2 KiB
2 years ago
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---@class DBMCoreNamespace
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local private = select(2, ...)
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---@class TableUtils
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local tableUtils = private:GetPrototype("TableUtils")
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local ipairs, tremove = ipairs, table.remove
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-- Checks if a given value is in an array.
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---@return boolean found
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function tableUtils.checkEntry(t, val)
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for _, v in ipairs(t) do
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if v == val then
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return true
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end
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end
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return false
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end
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function tableUtils.removeEntry(t, val)
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local existed = false
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for i = #t, 1, -1 do
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if t[i] == val then
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tremove(t, i)
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existed = true
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end
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end
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return existed
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end
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function tableUtils.orderedTable()
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local nextkey, firstkey = {}, {}
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nextkey[nextkey] = firstkey
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local function onext(self, key)
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while key ~= nil do
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key = nextkey[key]
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local val = self[key]
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if val ~= nil then
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return key, val
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end
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end
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end
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local selfmeta = firstkey
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selfmeta.__nextkey = nextkey
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function selfmeta:__newindex(key, val)
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rawset(self, key, val)
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if nextkey[key] == nil then
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nextkey[nextkey[nextkey]] = key
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nextkey[nextkey] = key
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end
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end
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function selfmeta:__pairs()
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return onext, self, firstkey
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end
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return setmetatable({}, selfmeta)
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end
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