Maybe concrete is also meant as the opposite of abstract, which would somewhat run counter to the idea of "interface without implementation". But I don't follow Perl6 and the various incarnations of the M* modules and theories behind them.

In reply to Re^2: what means concrete in perlglossary/role - a concrete set of behaviors? by Corion
in thread what means concrete in perlglossary/role - a concrete set of behaviors? by Anonymous Monk

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