On Mon, May 16, 2005 at 02:59:11PM +0000, Ingo Blechschmidt wrote:
: Hi,
:
: class Foo {
: submethod BUILD() {
: say 42;
: }
: }
:
: class Bar is Foo {
: submethod BUILD() {
: say 23;
: }
: }
:
: my Bar $bar .= new;
:
: I suppose this will output:
: 42
: 23
:
: S12 says that "submethod[s] [are] called only when a method call is
: dispatched directly to the current class", but the default implementation of
: "new" (as given by Object), calls BUILDALL, which in turn calls all BUILDs,
so
: I think both BUILDs are executed. Are they?
Yes.
: S12 says that "[s]ubmethods are for declaring infrastructural methods that
: shouldn't be inherited by subclasses". I read this "shouldn't be inherited"
as
: that a submethod definition of the same name in a subclass does not
: overwrite/substitute the definition of the parent class. Correct?
Correct.
: class A { submethod blarb() { say 42 } }
: class B is A { submethod blarb() { say 23 } }
: B.new.blarb;
:
: Does this only output "23"? (I think so, as I don't call A::blarb explicitly.
: If I wanted to call A's blarb, I'd have to say "B.new.A::blarb", correct?)
Yes.
Larry
