Re: Dicebot on leaving D: It is anarchy driven development in all its glory.

[Walter Bright via Digitalmars-d]

There's been some talk of adding a "mutable" qualifier for fields, which would 
stop the transitivity of const at that point. But it has problems, such as what 
happens with opaque types. The compiler can no longer check them, and hence will 
have to assume they contain mutable members.