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    TCardinalHelper.HighestSetBitPos

    Return the position of the leftmost bit set.

    Declaration

    Source position: syshelph.inc line 1126

    public 
function TCardinalHelper.HighestSetBitPos : Int8;

    Description

    HighestSetBitPos scans the Cardinal, starting at the leftmost position and working towards position 0, and returns the index of the first set bit. The position is measured from the 0-th, rightmost bit. When there are no bits set, the result is -1.

    See also

    Name Description
    System.BsrByte Return the position of the leftmost set bit in an 8-bit value.
    TCardinalHelper.SetBit Set bit to 1.
    TCardinalHelper.ClearBit Set bit to 0.
    TCardinalHelper.ToggleBit Invert bit.
    TCardinalHelper.TestBit Check bit.
    TCardinalHelper.LowestSetBitPos Return the position of the rightmost bit set.
    TCardinalHelper.SetBitsCount Count number of bits set.
    TCardinalHelper.Bits Read or write a bit.