The header documentation for NSPointerArray says:
Fast enumeration, copying, and archiving protocols are applicable
only when NSPointerArray is configured for Object uses. Since the
array may contain NULLs, fast enumeration (for..in) will yield
NULLs. As a convenience, fast enumeration will also enumerate other
types of pointers. Copying and coding are undefined for non-object
uses.
That seems self contradictory with respect to fast enumeration. It is
only applicable when NSPointerArray is configured for Objects, but as
a convenience, it will enumerate non-object types anyway even though
it is inappropriate to do so?
Can anyone offer clarification?
When I try to be honest about the enumeration, i.e.
for (void *pointer in pointerArray) {
}
the compiler complains with
pointer-array.m:20: error: selector element does not have a valid
object type
- Jim
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