rust-lang.github.io/rustc-dev-guide -> rustc-dev-guide.rust-lang.org

Author: spastorino

.github/ISSUE_TEMPLATE/tracking_issue.md

@@ -39,8 +39,8 @@ for larger features an implementation could be broken up into multiple PRs.
 - [ ] Adjust documentation ([see instructions on rustc-dev-guide][doc-guide])
 - [ ] Stabilization PR ([see instructions on rustc-dev-guide][stabilization-guide])
 
-[stabilization-guide]: https://rust-lang.github.io/rustc-dev-guide/stabilization_guide.html#stabilization-pr
-[doc-guide]: https://rust-lang.github.io/rustc-dev-guide/stabilization_guide.html#documentation-prs
+[stabilization-guide]: https://rustc-dev-guide.rust-lang.org/stabilization_guide.html#stabilization-pr
+[doc-guide]: https://rustc-dev-guide.rust-lang.org/stabilization_guide.html#documentation-prs
 
 ### Unresolved Questions
 <!--

CONTRIBUTING.md

@@ -29,8 +29,8 @@ can give you a good example of how a typical contribution would go.
 [rust-discord]: http://discord.gg/rust-lang
 [rust-zulip]: https://rust-lang.zulipchat.com
 [coc]: https://www.rust-lang.org/conduct.html
-[rustc-dev-guide]: https://rust-lang.github.io/rustc-dev-guide/
-[walkthrough]: https://rust-lang.github.io/rustc-dev-guide/walkthrough.html
+[rustc-dev-guide]: https://rustc-dev-guide.rust-lang.org/
+[walkthrough]: https://rustc-dev-guide.rust-lang.org/walkthrough.html
 
 ## Feature Requests
 [feature-requests]: #feature-requests
@@ -108,7 +108,7 @@ contributions to the compiler and the standard library. It also lists some
 really useful commands to the build system (`./x.py`), which could save you a
 lot of time.
 
-[rustcguidebuild]: https://rust-lang.github.io/rustc-dev-guide/building/how-to-build-and-run.html
+[rustcguidebuild]: https://rustc-dev-guide.rust-lang.org/building/how-to-build-and-run.html
 
 ## Pull Requests
 [pull-requests]: #pull-requests
@@ -448,13 +448,13 @@ are:
 * **Google!** ([search only in Rust Documentation][gsearchdocs] to find types, traits, etc. quickly)
 * Don't be afraid to ask! The Rust community is friendly and helpful.
 
-[rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/about-this-guide.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/about-this-guide.html
 [gdfrustc]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/
 [gsearchdocs]: https://www.google.com/search?q=site:doc.rust-lang.org+your+query+here
 [rif]: http://internals.rust-lang.org
 [rr]: https://doc.rust-lang.org/book/README.html
 [rustforge]: https://forge.rust-lang.org/
 [tlgba]: http://tomlee.co/2014/04/a-more-detailed-tour-of-the-rust-compiler/
 [ro]: http://www.rustaceans.org/
-[rctd]: https://rust-lang.github.io/rustc-dev-guide/tests/intro.html
+[rctd]: https://rustc-dev-guide.rust-lang.org/tests/intro.html
 [cheatsheet]: https://buildbot2.rust-lang.org/homu/

README.md

@@ -21,7 +21,7 @@ The Rust build system has a Python script called `x.py` to bootstrap building
 the compiler. More information about it may be found by running `./x.py --help`
 or reading the [rustc dev guide][rustcguidebuild].
 
-[rustcguidebuild]: https://rust-lang.github.io/rustc-dev-guide/building/how-to-build-and-run.html
+[rustcguidebuild]: https://rustc-dev-guide.rust-lang.org/building/how-to-build-and-run.html
 
 ### Building on *nix
 1. Make sure you have installed the dependencies:
@@ -255,7 +255,7 @@ various parts of the compiler work.
 Also, you may find the [rustdocs for the compiler itself][rustdocs] useful.
 
 [rust-discord]: https://discord.gg/rust-lang
-[rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/about-this-guide.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/about-this-guide.html
 [rustdocs]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/
 
 ## License

src/README.md

@@ -5,4 +5,4 @@ This directory contains the source code of the rust project, including:
 
 For more information on how various parts of the compiler work, see the [rustc dev guide].
 
-[rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/about-this-guide.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/about-this-guide.html

src/doc/index.md

@@ -120,7 +120,7 @@ Rust. It's also sometimes called "the 'nomicon."
 
 ## The `rustc` Contribution Guide
 
-[The `rustc` Guide](https://rust-lang.github.io/rustc-dev-guide/) documents how
+[The `rustc` Guide](https://rustc-dev-guide.rust-lang.org/) documents how
 the compiler works and how to contribute to it. This is useful if you want to build
 or modify the Rust compiler from source (e.g. to target something non-standard).
 

src/doc/rustc/src/contributing.md

@@ -8,5 +8,5 @@ more, you'll want to check that out.
 If you would like to contribute to _this_ book, you can find its source in the
 rustc source at [src/doc/rustc][rustc_book].
 
-[rustc_dev_guide]: https://rust-lang.github.io/rustc-dev-guide/
+[rustc_dev_guide]: https://rustc-dev-guide.rust-lang.org/
 [rustc_book]: https://github.com/rust-lang/rust/tree/master/src/doc/rustc

src/librustc/README.md

@@ -1,3 +1,3 @@
 For more information about how rustc works, see the [rustc dev guide].
 
-[rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/

src/librustc/dep_graph/README.md

@@ -1,4 +1,4 @@
 To learn more about how dependency tracking works in rustc, see the [rustc
 guide].
 
-[rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/query.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/query.html

src/librustc/dep_graph/graph.rs

@@ -194,7 +194,7 @@ impl DepGraph {
     /// - If you need 3+ arguments, use a tuple for the
     ///   `arg` parameter.
     ///
-    /// [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/incremental-compilation.html
+    /// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/incremental-compilation.html
     pub fn with_task<'a, C, A, R>(
         &self,
         key: DepNode,

src/librustc/hir/mod.rs

@@ -1,6 +1,6 @@
 //! HIR datatypes. See the [rustc dev guide] for more info.
 //!
-//! [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/hir.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/hir.html
 
 pub mod exports;
 pub mod map;

src/librustc/infer/canonical.rs

@@ -19,7 +19,7 @@
 //! For a more detailed look at what is happening here, check
 //! out the [chapter in the rustc dev guide][c].
 //!
-//! [c]: https://rust-lang.github.io/rustc-dev-guide/traits/canonicalization.html
+//! [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html
 
 use crate::infer::MemberConstraint;
 use crate::ty::subst::GenericArg;

src/librustc/lib.rs

@@ -16,7 +16,7 @@
 //!
 //! For more information about how rustc works, see the [rustc dev guide].
 //!
-//! [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/
 //!
 //! # Note
 //!

src/librustc/middle/region.rs

@@ -4,7 +4,7 @@
 //! For more information about how MIR-based region-checking works,
 //! see the [rustc dev guide].
 //!
-//! [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/mir/borrowck.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/mir/borrowck.html
 
 use crate::ich::{NodeIdHashingMode, StableHashingContext};
 use crate::ty::{self, DefIdTree, TyCtxt};

src/librustc/mir/mod.rs

@@ -1,6 +1,6 @@
 //! MIR datatypes and passes. See the [rustc dev guide] for more info.
 //!
-//! [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/mir/index.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/mir/index.html
 
 use crate::mir::interpret::{GlobalAlloc, Scalar};
 use crate::mir::visit::MirVisitable;

src/librustc/traits/mod.rs

@@ -1,6 +1,6 @@
 //! Trait Resolution. See the [rustc dev guide] for more information on how this works.
 //!
-//! [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/traits/resolution.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/resolution.html
 
 pub mod query;
 pub mod select;

src/librustc/traits/select.rs

@@ -1,6 +1,6 @@
 //! Candidate selection. See the [rustc dev guide] for more information on how this works.
 //!
-//! [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/traits/resolution.html#selection
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/resolution.html#selection
 
 use self::EvaluationResult::*;
 

src/librustc/ty/context.rs

@@ -918,7 +918,7 @@ pub struct FreeRegionInfo {
 /// various **compiler queries** that have been performed. See the
 /// [rustc dev guide] for more details.
 ///
-/// [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/ty.html
+/// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/ty.html
 #[derive(Copy, Clone)]
 #[rustc_diagnostic_item = "TyCtxt"]
 pub struct TyCtxt<'tcx> {

src/librustc/ty/query/README.md

@@ -1,3 +1,3 @@
 For more information about how the query system works, see the [rustc dev guide].
 
-[rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/query.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/query.html

src/librustc/ty/sty.rs

@@ -1400,7 +1400,7 @@ pub type Region<'tcx> = &'tcx RegionKind;
 ///
 /// [1]: http://smallcultfollowing.com/babysteps/blog/2013/10/29/intermingled-parameter-lists/
 /// [2]: http://smallcultfollowing.com/babysteps/blog/2013/11/04/intermingled-parameter-lists/
-/// [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/traits/hrtb.html
+/// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/hrtb.html
 #[derive(Clone, PartialEq, Eq, Hash, Copy, RustcEncodable, RustcDecodable, PartialOrd, Ord)]
 pub enum RegionKind {
     /// Region bound in a type or fn declaration which will be

src/librustc_ast/README.md

@@ -5,5 +5,5 @@ lexer, macro expander, and utilities for traversing ASTs.
 For more information about how these things work in rustc, see the
 rustc dev guide:
 
-- [Parsing](https://rust-lang.github.io/rustc-dev-guide/the-parser.html)
-- [Macro Expansion](https://rust-lang.github.io/rustc-dev-guide/macro-expansion.html)
+- [Parsing](https://rustc-dev-guide.rust-lang.org/the-parser.html)
+- [Macro Expansion](https://rustc-dev-guide.rust-lang.org/macro-expansion.html)

src/librustc_codegen_llvm/README.md

@@ -4,4 +4,4 @@ that runs towards the end of the compilation process.
 
 For more information about how codegen works, see the [rustc dev guide].
 
-[rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/codegen.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/codegen.html

src/librustc_codegen_ssa/README.md

@@ -1,3 +1,3 @@
 Please read the rustc-dev-guide chapter on [Backend Agnostic Codegen][bac].
 
-[bac]: https://rust-lang.github.io/rustc-dev-guide/codegen/backend-agnostic.html
+[bac]: https://rustc-dev-guide.rust-lang.org/codegen/backend-agnostic.html

src/librustc_driver/README.md

@@ -7,4 +7,4 @@ options).
 
 For more information about how the driver works, see the [rustc dev guide].
 
-[rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/rustc-driver.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/rustc-driver.html

src/librustc_hir/hir.rs

@@ -611,7 +611,7 @@ pub struct ModuleItems {
 ///
 /// For more details, see the [rustc dev guide].
 ///
-/// [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/hir.html
+/// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/hir.html
 #[derive(RustcEncodable, RustcDecodable, Debug)]
 pub struct Crate<'hir> {
     pub module: Mod<'hir>,

src/librustc_hir/lib.rs

@@ -1,6 +1,6 @@
 //! HIR datatypes. See the [rustc dev guide] for more info.
 //!
-//! [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/hir.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/hir.html
 
 #![feature(crate_visibility_modifier)]
 #![feature(const_fn)] // For the unsizing cast on `&[]`

src/librustc_incremental/persist/README.md

@@ -1,3 +1,3 @@
 For info on how the incremental compilation works, see the [rustc dev guide].
 
-[rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/query.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/query.html

src/librustc_infer/infer/canonical/canonicalizer.rs

@@ -3,7 +3,7 @@
 //! For an overview of what canonicalization is and how it fits into
 //! rustc, check out the [chapter in the rustc dev guide][c].
 //!
-//! [c]: https://rust-lang.github.io/rustc-dev-guide/traits/canonicalization.html
+//! [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html
 
 use crate::infer::canonical::{
     Canonical, CanonicalTyVarKind, CanonicalVarInfo, CanonicalVarKind, Canonicalized,
@@ -35,7 +35,7 @@ impl<'cx, 'tcx> InferCtxt<'cx, 'tcx> {
     /// To get a good understanding of what is happening here, check
     /// out the [chapter in the rustc dev guide][c].
     ///
-    /// [c]: https://rust-lang.github.io/rustc-dev-guide/traits/canonicalization.html#canonicalizing-the-query
+    /// [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html#canonicalizing-the-query
     pub fn canonicalize_query<V>(
         &self,
         value: &V,
@@ -79,7 +79,7 @@ impl<'cx, 'tcx> InferCtxt<'cx, 'tcx> {
     /// To get a good understanding of what is happening here, check
     /// out the [chapter in the rustc dev guide][c].
     ///
-    /// [c]: https://rust-lang.github.io/rustc-dev-guide/traits/canonicalization.html#canonicalizing-the-query-result
+    /// [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html#canonicalizing-the-query-result
     pub fn canonicalize_response<V>(&self, value: &V) -> Canonicalized<'tcx, V>
     where
         V: TypeFoldable<'tcx>,

src/librustc_infer/infer/canonical/mod.rs

@@ -19,7 +19,7 @@
 //! For a more detailed look at what is happening here, check
 //! out the [chapter in the rustc dev guide][c].
 //!
-//! [c]: https://rust-lang.github.io/rustc-dev-guide/traits/canonicalization.html
+//! [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html
 
 use crate::infer::{ConstVariableOrigin, ConstVariableOriginKind};
 use crate::infer::{InferCtxt, RegionVariableOrigin, TypeVariableOrigin, TypeVariableOriginKind};

src/librustc_infer/infer/canonical/query_response.rs

@@ -5,7 +5,7 @@
 //! For an overview of what canonicaliation is and how it fits into
 //! rustc, check out the [chapter in the rustc dev guide][c].
 //!
-//! [c]: https://rust-lang.github.io/rustc-dev-guide/traits/canonicalization.html
+//! [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html
 
 use crate::infer::canonical::substitute::{substitute_value, CanonicalExt};
 use crate::infer::canonical::{
@@ -197,7 +197,7 @@ impl<'cx, 'tcx> InferCtxt<'cx, 'tcx> {
     /// To get a good understanding of what is happening here, check
     /// out the [chapter in the rustc dev guide][c].
     ///
-    /// [c]: https://rust-lang.github.io/rustc-dev-guide/traits/canonicalization.html#processing-the-canonicalized-query-result
+    /// [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html#processing-the-canonicalized-query-result
     pub fn instantiate_query_response_and_region_obligations<R>(
         &self,
         cause: &ObligationCause<'tcx>,

src/librustc_infer/infer/canonical/substitute.rs

@@ -4,7 +4,7 @@
 //! For an overview of what canonicalization is and how it fits into
 //! rustc, check out the [chapter in the rustc dev guide][c].
 //!
-//! [c]: https://rust-lang.github.io/rustc-dev-guide/traits/canonicalization.html
+//! [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html
 
 use crate::infer::canonical::{Canonical, CanonicalVarValues};
 use rustc::ty::fold::TypeFoldable;

src/librustc_infer/infer/higher_ranked/README.md

@@ -4,5 +4,5 @@ solver, see [this chapter][oldhrtb] of the rustc-dev-guide.
 To learn more about how they work in the _new_ trait solver, see [this
 chapter][newhrtb].
 
-[oldhrtb]: https://rust-lang.github.io/rustc-dev-guide/traits/hrtb.html
-[newhrtb]: https://rust-lang.github.io/rustc-dev-guide/borrow_check/region_inference.html#placeholders-and-universes
+[oldhrtb]: https://rustc-dev-guide.rust-lang.org/traits/hrtb.html
+[newhrtb]: https://rustc-dev-guide.rust-lang.org/borrow_check/region_inference.html#placeholders-and-universes

src/librustc_infer/infer/higher_ranked/mod.rs

@@ -73,7 +73,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
     /// For more information about how placeholders and HRTBs work, see
     /// the [rustc dev guide].
     ///
-    /// [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/traits/hrtb.html
+    /// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/hrtb.html
     pub fn replace_bound_vars_with_placeholders<T>(
         &self,
         binder: &ty::Binder<T>,

src/librustc_infer/infer/lexical_region_resolve/README.md

@@ -4,4 +4,4 @@ Lexical Region Resolution was removed in https://github.com/rust-lang/rust/pull/
 Rust now uses Non-lexical lifetimes. For more info, please see the [borrowck
 chapter][bc] in the rustc-dev-guide.
 
-[bc]: https://rust-lang.github.io/rustc-dev-guide/borrow_check/region_inference.html
+[bc]: https://rustc-dev-guide.rust-lang.org/borrow_check/region_inference.html

src/librustc_infer/infer/region_constraints/README.md

@@ -1,3 +1,3 @@
 For info on how the current borrowck works, see the [rustc dev guide].
 
-[rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/borrow_check.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/borrow_check.html

src/librustc_infer/lib.rs

@@ -7,7 +7,7 @@
 //!
 //! For more information about how rustc works, see the [rustc dev guide].
 //!
-//! [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/
 //!
 //! # Note
 //!

src/librustc_infer/traits/coherence.rs

@@ -1,8 +1,8 @@
 //! See Rustc Dev Guide chapters on [trait-resolution] and [trait-specialization] for more info on
 //! how this works.
 //!
-//! [trait-resolution]: https://rust-lang.github.io/rustc-dev-guide/traits/resolution.html
-//! [trait-specialization]: https://rust-lang.github.io/rustc-dev-guide/traits/specialization.html
+//! [trait-resolution]: https://rustc-dev-guide.rust-lang.org/traits/resolution.html
+//! [trait-specialization]: https://rustc-dev-guide.rust-lang.org/traits/specialization.html
 
 use crate::infer::{CombinedSnapshot, InferOk, TyCtxtInferExt};
 use crate::traits::select::IntercrateAmbiguityCause;

src/librustc_infer/traits/mod.rs

@@ -1,6 +1,6 @@
 //! Trait Resolution. See the [rustc dev guide] for more information on how this works.
 //!
-//! [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/traits/resolution.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/resolution.html
 
 #[allow(dead_code)]
 pub mod auto_trait;

src/librustc_infer/traits/query/type_op/mod.rs

@@ -44,7 +44,7 @@ pub trait TypeOp<'tcx>: Sized + fmt::Debug {
 /// first canonicalize the key and then invoke the query on the tcx,
 /// which produces the resulting query region constraints.
 ///
-/// [c]: https://rust-lang.github.io/rustc-dev-guide/traits/canonicalization.html
+/// [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html
 pub trait QueryTypeOp<'tcx>: fmt::Debug + Sized + TypeFoldable<'tcx> + 'tcx {
     type QueryResponse: TypeFoldable<'tcx>;
 

src/librustc_infer/traits/select.rs

@@ -2,7 +2,7 @@
 
 //! Candidate selection. See the [rustc dev guide] for more information on how this works.
 //!
-//! [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/traits/resolution.html#selection
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/resolution.html#selection
 
 use self::EvaluationResult::*;
 use self::SelectionCandidate::*;
@@ -934,7 +934,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
     // candidates. See the [rustc dev guide] for more details.
     //
     // [rustc dev guide]:
-    // https://rust-lang.github.io/rustc-dev-guide/traits/resolution.html#candidate-assembly
+    // https://rustc-dev-guide.rust-lang.org/traits/resolution.html#candidate-assembly
 
     fn candidate_from_obligation<'o>(
         &mut self,
@@ -2450,7 +2450,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
     // type error.  See the [rustc dev guide] for more details.
     //
     // [rustc dev guide]:
-    // https://rust-lang.github.io/rustc-dev-guide/traits/resolution.html#confirmation
+    // https://rustc-dev-guide.rust-lang.org/traits/resolution.html#confirmation
 
     fn confirm_candidate(
         &mut self,

src/librustc_infer/traits/specialize/mod.rs

@@ -7,7 +7,7 @@
 //! See the [rustc dev guide] for a bit more detail on how specialization
 //! fits together with the rest of the trait machinery.
 //!
-//! [rustc dev guide]: https://rust-lang.github.io/rustc-dev-guide/traits/specialization.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/specialization.html
 
 pub mod specialization_graph;
 use specialization_graph::GraphExt;