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049b3e549e
Explicitly specify type parameter on FromResidual for Option and ControlFlow. ~~Remove type parameter default `R = <Self as Try>::Residual` from `FromResidual`~~ _Specify default type parameter on `FromResidual` impls in the stdlib_ to work around https://github.com/rust-lang/rust/issues/99940 / https://github.com/rust-lang/rust/issues/87350 ~~as mentioned in https://github.com/rust-lang/rust/issues/84277#issuecomment-1773259264~~. This does not completely fix the issue, but works around it for `Option` and `ControlFlow` specifically (`Result` does not have the issue since it already did not use the default parameter of `FromResidual`). ~~(Does this need an ACP or similar?)~~ ~~This probably needs at least an FCP since it changes the API described in [the RFC](https://github.com/rust-lang/rfcs/pull/3058). Not sure if T-lang, T-libs-api, T-libs, or some combination (The tracking issue is tagged T-lang, T-libs-api).~~ This probably doesn't need T-lang input, since it is not changing the API of `FromResidual` from the RFC? Maybe needs T-libs-api FCP? |
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