Summary: Safe casts: type modifiers
           Product: D
           Version: future
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: DMD

--- Comment #0 from Sobirari Muhomori <> 2009-10-05 
07:11:53 PDT ---
C++ has const_cast to add or remove const modifier from type. Currently in D
casting to/from const is unsafe as it doesn't protect from type conversions.
Safe variants of const casts can be added with the following syntax:

cast(const)obj; //to const-qualified
cast(~const)obj; //to mutable
cast(immutable)obj; //instead of assumeUnique

I'm not sure whether cast(~const) should behave exactly as cast(~immutable).

P.S. This doesn't impose any additional requirement on the runtime library.

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