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Expand Capability types also in arguments of Capability classes #23427

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@odersky odersky commented Jun 25, 2025

Fixes #23422

odersky added 2 commits June 25, 2025 12:21
A type `A[b.type]` with a singleton type argument is converted to
`A[box b.type^{b}]` so that the box status is recorded. Since box status
only comes with CapturingTypes we have to convert the singleton type
to a capturing type.

Fixes scala#23207
@odersky odersky changed the title Expand Capability types also in arguments of Capability classes Fixes #23422 Expand Capability types also in arguments of Capability classes Jun 25, 2025
@odersky odersky requested a review from Linyxus June 25, 2025 22:24
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Type arguments of capability classes not properly boxed in CC Setup
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