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MtxVec VCL
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TMtxVecInt.Reverse Method (TMtxVecInt, integer, integer, integer)

Reverse vector elements.

Pascal
function Reverse(Vec: TMtxVecInt; VecIndex: integer; Index: integer; Len: integer): TMtxVecInt; overload;

The method reverses Vec vector elements from [VecIndex].. [VecIndex+Len-1] and stores them in the calling vector from [Index]...[Index+Len-1] by using the following equation: 

 

 

 

This overload reverses calling vector elements in-place.

var a: TVecInt; begin CreateIt(a); try a.SetIt([1,2,3,4]); a.Reverse; // a = [4,3,2,1] finally FreeIt(a); end; end;
Examples on GitHub
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