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authorbors <bors@rust-lang.org>2015-03-18 03:22:12 +0000
committerbors <bors@rust-lang.org>2015-03-18 03:22:12 +0000
commitc10918905fda1344e78bc16e6e73294d096ee97d (patch)
tree96bdb6d9c8e950b7142963f6aa7a6f2b688e53ac /src/libstd/sys/unix/timer.rs
parent1ae32decb87e3275ce955383a5c71e5c784a0216 (diff)
parent0947f4076ddbf5c0db63d60c19f28b6b79023638 (diff)
downloadrust-c10918905fda1344e78bc16e6e73294d096ee97d.tar.gz
rust-c10918905fda1344e78bc16e6e73294d096ee97d.zip
Auto merge of #23452 - nikomatsakis:unsafety-subtyping, r=nrc
Safe fns are no longer subtypes of unsafe fns, but you can coerce from one to the other.

This is a [breaking-change] in that impl fns must now be declared `unsafe` if the trait is declared `unsafe`. In some rare cases, the subtyping change may also direct affect you, but no such cases were encountered in practice.

Fixes #23449.

r? @nrc 
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