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LibTSM/Util/Vararg.lua

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+-- ------------------------------------------------------------------------------ --
+--                                TradeSkillMaster                                --
+--                          https://tradeskillmaster.com                          --
+--    All Rights Reserved - Detailed license information included with addon.     --
+-- ------------------------------------------------------------------------------ --
+
+--- Vararg Functions
+-- @module Vararg
+
+local _, TSM = ...
+local Vararg = TSM.Init("Util.Vararg")
+local TempTable = TSM.Include("Util.TempTable")
+
+
+
+-- ============================================================================
+-- Module Functions
+-- ============================================================================
+
+--- Stores a varag into a table.
+-- @tparam table tbl The table to store the values in
+-- @param ... Zero or more values to store in the table
+function Vararg.IntoTable(tbl, ...)
+	for i = 1, select("#", ...) do
+		tbl[i] = select(i, ...)
+	end
+end
+
+--- Creates an iterator from a vararg.
+-- NOTE: This iterator must be run to completion and not interrupted (i.e. with a `break` or `return`).
+-- @param ... The values to iterate over
+-- @return An iterator with fields: `index, value`
+function Vararg.Iterator(...)
+	return TempTable.Iterator(TempTable.Acquire(...))
+end
+
+--- Returns whether not the value exists within the vararg.
+-- @param value The value to search for
+-- @param ... Any number of values to search in
+-- @treturn boolean Whether or not the value was found in the vararg
+function Vararg.In(value, ...)
+	for i = 1, select("#", ...) do
+		if value == select(i, ...) then
+			return true
+		end
+	end
+	return false
+end