On Sun, Nov 23, 2008 at 3:25 PM, Jarrett Billingsley <[EMAIL PROTECTED]> wrote: > On Sat, Nov 22, 2008 at 11:40 PM, Sam S E <[EMAIL PROTECTED]> wrote: >> Does foreach use delegates? Isn't that unnecessary overhead? >> --Sam > > It does use delegates, for iterating over most types. When iterating > over arrays, the compiler turns it into a sort of for loop instead. > > Is it unnecessary overhead? It's not always as fast as it could be, > but unless someone can figure out some other way of implementing it, > it's pretty much the best we can get. > > How about iterator objects, like in C++ or Java? Are they unnecessary > overhead? ;)
How does delegate overhead compare to the stack thread context switch overhead in the new Fibers in druntime? --bb
