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Havvy merged 2 commits into from
Aug 14, 2022
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Update subtyping.md #1240

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Update subtyping.md
pierwill Jul 21, 2022
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Update src/subtyping.md
pierwill Jul 27, 2022
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Update src/subtyping.md 
Co-authored-by: Ryan Scheel <[email protected]>
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@pierwill @Havvy
pierwill and Havvy authored Jul 27, 2022
commit 36a66c0ccf9f8a5b941b0df9923ece80d8714c83
2 changes: 1 addition & 1 deletion src/subtyping.md
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Subtyping is implicit and can occur at any stage in type checking or
inference. Subtyping is restricted to two cases:
variance with respect to lifetimes, and between types with higher ranked
variance with respect to lifetimes and between types with higher ranked
lifetimes. If we were to erase lifetimes from types, then the only subtyping
would be due to type equality.

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