Seeing it since recently more often in Blogs, I see increased readability. After all, you just need to remember 3x XOR (a-b-a). I find the swap solution w/ te

Seeing it since recently more often in Blogs, I see increased readability. After all, you just need to remember 3x XOR (a-b-a). I find the swap solution w/ temp solution to be more painful for my eyes. It's also 3 lines, but less homogenous.