JuliaLang/julia — comment on commit 538257c9943b8fcbade5628128fa0bfd302668b2
File:  line 0
By StefanKarpinski:

These should really be rewritten to do `print_lpad` and `print_rpad` and then call `print_to_string` the way other things do. Making all these intermediate strings is a shitty way to do it. We've generally committed to doing things that way, which I think is good, but then we will want to make sure that `print_to_string` is as fast as humanly possible.