Poll: Would you like to try const-by-default or not?

[Sebastian Beschke]

Jarrett Billingsley schrieb:
> 1) C++ style const, where you mark anything that should be const as such.
> 
> 2) Parameters are const-by-default, and must be marked mutable otherwise. 
> Locals, fields etc. are still mutable by default.

2.

Since I'm not a person with a lot of code in D1, I don't mind language
changes that require a lot of rewriting.