On Wednesday, 19 February 2014 at 13:52:06 UTC, Timon Gehr wrote: > On 02/19/2014 02:21 PM, Dicebot wrote: >> >> >> 2 issues in your snippet: >> >> 1) need to define separator for join > > No, a custom separator is not mandatory. Ah, my bad, was expecting a default parameter, not an extra overload. See it now in docs.