LispForum

Thanks for your answer! I'll look more deeply at the intern documentation for future reference, but stick with the 3 functions. I suppose that if it was so hard to make it work with macros (although I'm a beginner, 3 hours with no success for something so short seems too much) it's because it wasn't...

Hi, I'm learning common lisp and this is my first try at writing something useful. I wanted to create some functions and data structures to work with 3d objects. I started with a 3d-point like this: (defstruct 3d-point (x 0) (y 0) (z 0)) And wanted to have some nice macros to create unit vectors. I ...