What does "better OO" mean here? Which concepts or feature you have on mind? | Hacker News

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tester756 6 months ago | parent | context | favorite | on: Official proposal for Type Unions in C#

What does "better OO" mean here?

Which concepts or feature you have on mind?

nsonha 6 months ago [–]

multiple dispatch or whatever helps people stop thinking about a hierarchy of inheritance and more in terms of objects and messages.

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