bitCount property
int
bitCount
Returns the bits set of an unsigned 32-bit integer. This value is also known as "binary weight" or "Hamming weight".
Implementation
int get bitCount {
var n = this & 0xffffffff;
n = n - ((n >> 1) & 0x55555555);
n = (n & 0x33333333) + ((n >> 2) & 0x33333333);
n = (n + (n >> 4)) & 0x0f0f0f0f;
n = n + (n >> 8);
n = n + (n >> 16);
return n & 0x0000003f;
}