mozilla/rust — pull request #8940 by pnkfelix (2013-09-03 00:39:59+00:00)
Title: Fsk 8468 allow underscore paramname in trait default method

Fix #8468. (Though the right answer in the end, as noted on the dialogue on the ticket, might be to just require trait methods to name their parameters, regardless of whether they have a default method implementation or not.)