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authorNiko Matsakis <niko@alum.mit.edu>2020-01-09 05:56:38 -0500
committerNiko Matsakis <niko@alum.mit.edu>2020-03-26 06:52:55 -0400
commitfda3378e3fcf279a19409ef368ce9bd5b57bfd62 (patch)
tree7fb3ae6e92d79b4c068d1e6f0d1d2dc45de49733 /src/rustllvm/RustWrapper.cpp
parent65071708f8fe72dd2103c6eace0eb6802a6acf03 (diff)
downloadrust-fda3378e3fcf279a19409ef368ce9bd5b57bfd62.tar.gz
rust-fda3378e3fcf279a19409ef368ce9bd5b57bfd62.zip
introduce `negative_impls` feature gate and document
They used to be covered by `optin_builtin_traits` but negative impls
are now applicable to all traits, not just auto traits.

This also adds docs in the unstable book for the current state of auto traits.
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