bjz/cgmath-rs — pull request #31 by kvark (2014-01-26 19:59:39+00:00)
Title: look_at() implemented as a part of Transform trait

What is the official idiomatic way to implement traits: near the trait or the type itself? If the latter - the we'll need to move parts of rotation.rs out to the corresponding modules (quat.rs and matrix.rs).