On Wednesday, 11 June 2014 at 03:19:55 UTC, Walter Bright wrote:
On 6/10/2014 7:44 PM, deadalnix wrote:
On Wednesday, 11 June 2014 at 02:10:18 UTC, Walter Bright wrote:
On 6/10/2014 5:27 PM, deadalnix wrote:
I'm talking about structs, not classes.

Ok, but since D structs do not inherit, how does tail pad optimization apply?

struct S1 {
     int a;
     byte b;
}

struct S2 {
     S1 s1;
     char c;
}

Sé could be 8 byte long (some variation of this are in C++ for
instance if I make a public and b private).

Do any C++ compilers do this for this case, or just for the inheritance one?

They do it in the condition mentioned for extern(C++) in my first post (at least clang and gcc, C++ ABI isn't well defined, so other compiler may do thing differently).

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