D 2.0 Reference: document cast(immutable) etc.

[Ellery Newcomer]

Walter actually fixed this to some extent a week or two ago, but for 
whatever reason the changes haven't made it to the website yet.

Though even in docsrc,

cast()

is missing.

On 12/09/2010 06:09 PM, darraghcoy wrote:
> Minor language documentation / reference issue.
> I found these flavours of cast() expressions being parsed by DMD:
>
> cast()
> cast(const)
> cast(immutable)
> cast(invariant)
> cast(shared)
> cast(shared const)
> cast(const shared)
> cast(wild)
> cast(shared wild)
> cast(wild shared)
>
> At the moment only cast(Type) is documented here, no mention is given to the
> other forms of cast:
> http://www.digitalmars.com/d/2.0/expression.html#CastExpression