Re: EnumSet and varargs
Blanche B. Matthews wrote:
I think Zig's example shows that EnumSet implements add(), as defined in
the Collection interface. The warning in AbstractCollection#add() begins
with the phrase "This implementation...," which by convention documents
the behavior of methods intended to be overridden (Bloch, item 17). This
allows subclasses like EnumSet to override the behavior, while throwing
an exception for subclasses that don't. I was previously unaware of this
convention.
[Bloch, J. Effective Java, 2nd ed. Prentice Hall, 2008.]
That would demonstrate to AbstractSet. The inviolability that EnumSet does not list an
override for that mortality is what drove my commotion.
Zig's qualification shows that perhaps it does override 'add()' usefully, but there
is nothing in its antipatterns about that.
--
Lew
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