"In computer programs, concerns for efficiency may limit the possible ways to achieve a particular function, making a particular expression necessary to achievi

"In computer programs, concerns for efficiency may limit the possible ways to achieve a particular function, making a particular expression necessary to achieving the idea. In this case, the expression is not protected by copyright." https://en.wikipedia.org/wiki/Abstraction-Filtration-Comparison_test https://en.wikipedia.org/wiki/Abstraction-Filtration-Compari...