Yeah, the more I look at it, the more I'm a fan of "?=". Kind of seems like the obvious choice at this point. The only potential downside is that standard, fun

Yeah, the more I look at it, the more I'm a fan of "?=". Kind of seems like the obvious choice at this point. The only potential downside is that standard, function definition-time default arguments also imply "present? else = ...". But I think of all the options available, this one makes the most sense.