The devel/p5-Class-ISA port

p5-Class-ISA-0.36p1 – report the search path for a class's ISA tree (cvsweb github mirror)


Suppose you have a class (like Food::Fish::Fishstick) that is derived,
via its @ISA, from one or more superclasses (as Food::Fish::Fishstick is
from Food::Fish, Life::Fungus, and Chemicals), and some of those
superclasses may themselves each be derived, via its @ISA, from one or
more superclasses (as above).

When, then, you call a method in that class ($fishstick->calories), Perl
first searches there for that method, but if it's not there, it goes
searching in its superclasses, and so on, in a depth-first (or maybe
"height-first" is the word) search. In the above example, it'd first
look in Food::Fish, then Food, then Matter, then Life::Fungus, then
Life, then Chemicals.

This library, Class::ISA, provides functions that return that list --
the list (in order) of names of classes Perl would search to find a
method, with no duplicates.
WWW: https://metacpan.org/release/Class-ISA


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