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Partial equality function should have default #3

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treeowl opened this issue May 5, 2015 · 2 comments
Open

Partial equality function should have default #3

treeowl opened this issue May 5, 2015 · 2 comments

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@treeowl
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treeowl commented May 5, 2015

Would it be possible to move that into a subclass? It feels awkward and limiting to me.

@treeowl
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treeowl commented May 5, 2015

For example, infinite streams of elements of a set don't admit such a method, but do admit a natural equivalence relation, namely a "zipped" stream of equivalence proofs.

@treeowl
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treeowl commented May 5, 2015

I just realized why this is good to have. However, it should probably have a (trivial, negative) default implementation.

@treeowl treeowl changed the title Requirement for partial equality function seems overkill for Set Partial equality function should have default May 5, 2015
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