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Task/Optional-parameters/Lasso/optional-parameters.lasso

@@ -0,0 +1,33 @@
+define sortarray( // params are set by position
+	items::array, // required param
+	ordering::string	= 'lexicographic', // optional param
+	column::integer		= 1,
+	reverse::boolean	= false
+) => {
+	// sorting process
+	local(sorteditems = array)
+	// Lasso has no build in method to sort an array of arrays by position in the contained arrays
+	// But a method could be built for it
+	return #sorteditems
+}
+
+define sortarray(
+	-items::array, // required param
+	-ordering::string	= 'lexicographic', // optional param
+	-column::integer	= 1,
+	-reverse::boolean	= false
+) => sortarray(#items, #ordering, #column, #reverse)
+
+local(items = array(
+	array(10, 'red', 'Volvo'),
+	array(15, 'gren', 'Ford'),
+	array(48, 'yellow', 'Kia'),
+	array(12, 'black', 'Holden'),
+	array(19, 'brown', 'Fiat'),
+	array(8, 'pink', 'Batmobile'),
+	array(74, 'orange', 'Bicycle')
+))
+
+sortarray(-items = #items, -reverse)
+
+sortarray(#items)