Module:TableTools - Revision history

Indicwiki: 51 revisions imported from :alpha:Module:TableTools

2022-12-12T08:37:42Z

51 revisions imported from alpha:Module:TableTools

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2022-10-28T08:39:43Z

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2022-02-23T07:12:02Z

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2022-02-19T06:43:35Z

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en>MSGJ: updates/fixes requested by User:Uzume

2022-01-31T13:08:18Z

updates/fixes requested by User:Uzume

← Older revision		Revision as of 18:38, 31 January 2022
Line 38:		Line 38:
	------------------------------------------------------------------------------------		------------------------------------------------------------------------------------
	function p.isNan(v)		function p.isNan(v)
	return type(v) == 'number' and ~~tostring(~~v) =~~= '-nan'~~		return type(v) == 'number' and v ~= v
	end		end

Line 64:		Line 64:
	-- removed, but otherwise the array order is unchanged.		-- removed, but otherwise the array order is unchanged.
	------------------------------------------------------------------------------------		------------------------------------------------------------------------------------
	function p.removeDuplicates(t)		function p.removeDuplicates(arr)
	checkType('removeDuplicates', 1, t, 'table')		checkType('removeDuplicates', 1, arr, 'table')
	local isNan = p.isNan		local isNan = p.isNan
	local ret, exists = {}, {}		local ret, exists = {}, {}
	for _, v in ipairs(t) do		for _, v in ipairs(arr) do
	if isNan(v) then		if isNan(v) then
	-- NaNs can't be table keys, and they are also unique, so we don't need to check existence.		-- NaNs can't be table keys, and they are also unique, so we don't need to check existence.
Line 337:		Line 337:
	--		--
	-- Transposes the keys and values in an array. For example, {"a", "b", "c"} ->		-- Transposes the keys and values in an array. For example, {"a", "b", "c"} ->
	-- {a = 1, b = 2, c = 3}.		-- {a = 1, b = 2, c = 3}. Duplicates are not supported (result values refer to
			-- the index of the last duplicate) and NaN values are ignored.
	------------------------------------------------------------------------------------		------------------------------------------------------------------------------------
	function p.invert(arr)		function p.invert(arr)
	checkType("invert", 1, arr, "table")		checkType("invert", 1, arr, "table")
			local isNan = p.isNan
	local map = {}		local map = {}
	for i, v in ipairs(arr) do		for i, v in ipairs(arr) do
	map[v] = i		if not isNan(v) then
			map[v] = i
			end
	end		end

Line 355:		Line 358:
	-- Creates a set from the array part of the table. Indexing the set by any of the		-- Creates a set from the array part of the table. Indexing the set by any of the
	-- values of the array returns true. For example, {"a", "b", "c"} ->		-- values of the array returns true. For example, {"a", "b", "c"} ->
	-- {a = true, b = true, c = true}.		-- {a = true, b = true, c = true}. NaN values are ignored as Lua considers them
			-- never equal to any value (including other NaNs or even themselves).
	------------------------------------------------------------------------------------		------------------------------------------------------------------------------------
	function p.listToSet(t)		function p.listToSet(arr)
	checkType("listToSet", 1, t, "table")		checkType("listToSet", 1, arr, "table")
			local isNan = p.isNan
	local set = {}		local set = {}
	for _, ~~item~~ in ipairs(t) do		for _, v in ipairs(arr) do
	set[~~item~~] = true		if not isNan(v) then
			set[v] = true
			end
	end		end

Template>MSGJ: improved module formatting; improved isArray; added isArrayLike; fixed _deepCopy; and improved defaultKeySort, code by User:Alexiscoutinho

2021-10-04T10:40:18Z

improved module formatting; improved isArray; added isArrayLike; fixed _deepCopy; and improved defaultKeySort, code by User:Alexiscoutinho

Show changes

Template>GorillaWarfare: Changed protection level for "Module:TableTools": High-risk Lua module: bumping protection level due to high usage, plus the stability of the module. See https://en.wikipedia.org/w/index.php?title=Wikipedia:Requests_for_page_protection&oldid=983044034#Module:TableTools ([Edit=Require administrator access] (indefinite) [Move=Require administrator access] (indefinite))

2020-10-11T22:22:43Z

Changed protection level for "Module:TableTools": High-risk Lua module: bumping protection level due to high usage, plus the stability of the module. See https://en.wikipedia.org/w/index.php?title=Wikipedia:Requests_for_page_protection&oldid=983044034#Module:TableTools ([Edit=Require administrator access] (indefinite) [Move=Require administrator access] (indefinite))

← Older revision	Revision as of 03:52, 12 October 2020
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