Sept. 29, 2011
2:24 p.m.
Nick Coghlan wrote:
As Guido noted, default argument *names* refer to ordinary locals, and hence exhibit the same rebinding behaviour as pre-nonlocal closure references (i.e. reassignments don't persist across calls, only mutations do). Since we expressly *don't* want that behaviour,
Are you sure we don't? The ability to persistently re-assign the name is not needed to address the main use cases under consideration, as I understand them to be. In fact, disallowing assignment to the name at all would be fine by me. Hence I would be +0 on using 'const' as the keyword. -- Greg