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2020-03-07Correct version that relaxed orphan rulesJonathan Giddy-1/+1
2020-01-06Use Self instead of $typeLzu Tao-14/+14
2019-12-18Propagate cfg bootstrapMark Rousskov-3/+1
2019-12-14Auto merge of #67224 - nikomatsakis:revert-stabilization-of-never-type, ↵bors-7/+88
r=centril Revert stabilization of never type Fixes https://github.com/rust-lang/rust/issues/66757 I decided to keep the separate `never-type-fallback` feature gate, but tried to otherwise revert https://github.com/rust-lang/rust/pull/65355. Seemed pretty clean. ( cc @Centril, author of #65355, you may want to check this over briefly )
2019-12-14Revert "Redefine `core::convert::Infallible` as `!`."Niko Matsakis-7/+88
This reverts commit 089229a1935fa9795cfdefa518c8f8c3beb66db8.
2019-12-14Auto merge of #67136 - oli-obk:const_stability, r=Centrilbors-0/+1
Require stable/unstable annotations for the constness of all stable fns with a const modifier r? @RalfJung @Centril Every `#[stable]` const fn now needs either a `#[rustc_const_unstable]` attribute or a `#[rustc_const_stable]` attribute. You can't silently stabilize the constness of a function anymore.
2019-12-13docs: std::convert::From: Fix typoShaleen Jain-1/+1
Fix a minor typo
2019-12-13Require stable/unstable annotations for the constness of all stable ↵Oliver Scherer-0/+1
functions with a `const` modifier
2019-12-08move from non zero impls to `libcore/convert/num.rs`Peter-0/+1115
2019-12-08leave a FIXMEMazdak Farrokhzad-1/+1
2019-12-08use `#[allow(unused_attributes)]` to paper over incr.comp problemMazdak Farrokhzad-0/+1
2019-12-06Move numeric `From` and `TryFrom` impls to `libcore/convert/num.rs`Simon Sapin-0/+331
This makes `libcore/num/mod.rs` slightly smaller. It’s still 4911 lines and not easy to navigate. This doesn’t change any public API.
2019-12-06Add `{f32,f64}::approx_unchecked_to<Int>` unsafe methodsSimon Sapin-0/+43
As discussed in https://github.com/rust-lang/rust/issues/10184 Currently, casting a floating point number to an integer with `as` is Undefined Behavior if the value is out of range. `-Z saturating-float-casts` fixes this soundness hole by making `as` “saturate” to the maximum or minimum value of the integer type (or zero for `NaN`), but has measurable negative performance impact in some benchmarks. There is some consensus in that thread for enabling saturation by default anyway, but provide an `unsafe fn` alternative for users who know through some other mean that their values are in range.
2019-12-06Make `core::convert` a directory-module with `mod.rs`Simon Sapin-0/+660