librustc: Remove cross borrowing from mutable Boxes to &mut.#15171
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bors merged 1 commit intorust-lang:masterfrom Jun 25, 2014
Merged
librustc: Remove cross borrowing from mutable Boxes to &mut.#15171bors merged 1 commit intorust-lang:masterfrom
Boxes to &mut.#15171bors merged 1 commit intorust-lang:masterfrom
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This will break code like:
fn f(x: &mut int) {}
let mut a = box 1i;
f(a);
Change it to:
fn f(x: &mut int) {}
let mut a = box 1i;
f(&mut *a);
RFC 33; issue rust-lang#10504.
[breaking-change]
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Is this it? I was expecting some enum variants (from auto-adjustments) and a bunch more related code to be removed.
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We still need auto-adjustment for the LHS of .. I believe this is the only place where the thing we want to remove is checked, though I could be wrong of course…
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For the record: I made some measurements about Doing a plain Additional borrows in all the crate test harnesses: |
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@nick29581, you were a big proponent of |
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Reference: rust-lang/rust#15171. Signed-off-by: OGINO Masanori <masanori.ogino@gmail.com>
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This will break code like:
Change it to:
RFC 33; issue #10504.
[breaking-change]
r? @brson