Re^4: what means concrete in perlglossary/role - a concrete set of behaviors?

in reply to Re^3: what means concrete in perlglossary/role - a concrete set of behaviors?
in thread what means concrete in perlglossary/role - a concrete set of behaviors?

I took it to mean:

abstract : Interface without implementation
normal : Interface, implementation, and inheritance if you feel like it
concrete : Implementation in stone, no inheritance allowed.

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