downs Wrote: > Jerry Quinn wrote: > > Hi, all. I find myself a little confused about how foreach, opApply, and > > delegates interact according to the docs. > > > > Foreach on an aggregate will use the opApply call (assuming ranges aren't > > being used). So if we use a simple example below, what exactly is the > > delegate that is passed to opApply? > > > The docs say a delegate is a pairing of an object reference and a function, > > where the object is passed as the 'this' parameter to the function. But > > that doesn't seem to be the case here. > > If the docs say that, they're wrong. > > Generally speaking, a delegate is a pairing of a function pointer and a > context, where the context can be a struct pointer, a class reference *or a > stackframe*, as is the case with opApply. > > Hope that clears things up.
Yes, that helps. All 3 replies are basically the same, and the docs are clearly insufficient to describe what's actually happening in a delegate. I'll file a bug. Thanks!
