On Friday, 15 September 2017 at 06:57:31 UTC, rikki cattermole
wrote:
On 15/09/2017 5:15 AM, bitwise wrote:
I translated the headers for FreeType2 to D, and in many
cases, enums are used as struct members.
If I declare an extern(C) enum in D, is it guaranteed to have
the same underlying type and size as it would for a C compiler
on the same platform?
No need for extern(C). Be as specific as you need, but most
likely you won't need to (e.g. first is automatically 0).
enum Foo : int {
Start = 0,
StuffHere
End
}
This is for D/C interop though.
enum E {
A, B, C
}
struct S {
E e;
}
So based on the underlying type chosen by each compiler, the size
of struct S could change.
I can't strongly type the D enums to match, because I don't know
what size the C compiler will make 'E', unless D somehow
gauntness the same enum-sizing as the C compiler would.
