Hi!
Just a quick question about traits.
During the flattening process, is a copy made of the trait code (or
bytecode or whatever)?
So, if I have
trait A {
// a bunch of methods
}
class B {
use A;
}
class C {
use A;
}
class D {
use A;
}
will I have four copies of A because it has been copied into all of the
classes, and thus this aspect of my code will take up four times as much
memory than if I did:
class A {
// a bunch of methods
}
class B extends A {
}
class C extends A {
}
class D extends A {
}
Or is the code shared so the memory use will be roughly the same?
I realise the use cases for traits and inheritance are different, and
often the situation will dictate the design, but sometimes you have
these two options so have to make a design decision, and it would be
nice to know the impact on memory use/code size.
Hope this is a simple question and won't take too much time for anyone
to answer!
Thanks!
Ben.
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