Make Id #[fundamental]
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madsmtm
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This changes the coherence rules to give Id less flexibility in terms of forwards compatibility, but in return allowing downstream crates (like objc2_foundation) to implement From for this type. Requires feature flag unstable-id-fundamental
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So it turns out that since #150, we can't actually use this feature any more, it prevents us from implementing Hence I'll close this, if we find it to be a big issue we can always just use newtypes, like |
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Proof-of-concept on fixing the remaining part of #41, identified in #39 (upstream SSheldon/rust-objc-foundation#1). Probably a better alternative than #48.
The
#[fundamental]attribute is unstable, see RFC 1023 and tracking issue, so I won't merge this.