Bill Baxter пишет:
On Mon, Dec 15, 2008 at 3:35 PM, Weed <resume...@mail.ru> wrote:
Who can provide a link to an explanation about why in D has taken to
distinguish between classes and structures?
(Sorry for my bad English)
The main justification is eliminating the slicing problem.
http://cplusplusgems.blogspot.com/2005/10/what-is-slicing-problem-class-base.html
D solves it by making it impossible to have a class instance as a value type.
Why not disallow the casting for structs, leaving the possibility of up
casting for the links and pointers to the structure?
