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- Invert
- Inverts the order of the elements of an array or a list.
- Usage
- Invert(array)
- Arguments
- array (ARRAY(T) or LIST(...)). T is any type. If the argument is Undef, returns Undef
- Returned Object
- If array has type ARRAY(T), the function returns an element of type ARRAY(T). If array has type LIST(T1,T2,...,TN), the function returns an element of type LIST(TN,...,T2,T1). If the argument is Undef, returns Undef
- Description
- Returns the an array or a list made of all the element of array in reverse order.
- See Also
-
Array,
List,
Pos,
At,
Head,
Reverse.
Examples
AML> Invert([10,11,12,13,14,15])
<ARRAY(INT)> [15,14,13,12,11,10]
AML> Invert([[1,2],[3,4,5],Undef,[7],[8,9,10]])
<ARRAY(ARRAY(INT))>[[8,9,10],[7],Undef,[3,4,5],[1,2]]
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