Rollup merge of #70038 - DutchGhost:const-forget-tests, r=RalfJung

[rust.git] / src / librustc_infer / infer / canonical / query_response.rs

diff --git a/src/librustc_infer/infer/canonical/query_response.rs b/src/librustc_infer/infer/canonical/query_response.rs
index 966bd99787729f19112511dc9f11118508835c2c..9322df48235113a0ff1aa039ce3adc17cf2ebc1c 100644 (file)
--- a/src/librustc_infer/infer/canonical/query_response.rs
+++ b/src/librustc_infer/infer/canonical/query_response.rs
@@ -3,9 +3,9 @@
 //! encode them therein.
 //!
 //! For an overview of what canonicaliation is and how it fits into
-//! rustc, check out the [chapter in the rustc guide][c].
+//! rustc, check out the [chapter in the rustc dev guide][c].
 //!
-//! [c]: https://rust-lang.github.io/rustc-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::{
@@ -14,7 +14,7 @@
 };
 use crate::infer::nll_relate::{NormalizationStrategy, TypeRelating, TypeRelatingDelegate};
 use crate::infer::region_constraints::{Constraint, RegionConstraintData};
-use crate::infer::{InferCtxt, InferCtxtBuilder, InferOk, InferResult, NLLRegionVariableOrigin};
+use crate::infer::{InferCtxt, InferOk, InferResult, NLLRegionVariableOrigin};
 use crate::traits::query::{Fallible, NoSolution};
 use crate::traits::{DomainGoal, TraitEngine};
 use crate::traits::{Obligation, ObligationCause, PredicateObligation};
@@ -26,52 +26,8 @@
 use rustc_data_structures::captures::Captures;
 use rustc_index::vec::Idx;
 use rustc_index::vec::IndexVec;
-use rustc_span::DUMMY_SP;
 use std::fmt::Debug;
 
-impl<'tcx> InferCtxtBuilder<'tcx> {
-    /// The "main method" for a canonicalized trait query. Given the
-    /// canonical key `canonical_key`, this method will create a new
-    /// inference context, instantiate the key, and run your operation
-    /// `op`. The operation should yield up a result (of type `R`) as
-    /// well as a set of trait obligations that must be fully
-    /// satisfied. These obligations will be processed and the
-    /// canonical result created.
-    ///
-    /// Returns `NoSolution` in the event of any error.
-    ///
-    /// (It might be mildly nicer to implement this on `TyCtxt`, and
-    /// not `InferCtxtBuilder`, but that is a bit tricky right now.
-    /// In part because we would need a `for<'tcx>` sort of
-    /// bound for the closure and in part because it is convenient to
-    /// have `'tcx` be free on this function so that we can talk about
-    /// `K: TypeFoldable<'tcx>`.)
-    pub fn enter_canonical_trait_query<K, R>(
-        &mut self,
-        canonical_key: &Canonical<'tcx, K>,
-        operation: impl FnOnce(&InferCtxt<'_, 'tcx>, &mut dyn TraitEngine<'tcx>, K) -> Fallible<R>,
-    ) -> Fallible<CanonicalizedQueryResponse<'tcx, R>>
-    where
-        K: TypeFoldable<'tcx>,
-        R: Debug + TypeFoldable<'tcx>,
-        Canonical<'tcx, QueryResponse<'tcx, R>>: ArenaAllocatable,
-    {
-        self.enter_with_canonical(
-            DUMMY_SP,
-            canonical_key,
-            |ref infcx, key, canonical_inference_vars| {
-                let mut fulfill_cx = TraitEngine::new(infcx.tcx);
-                let value = operation(infcx, &mut *fulfill_cx, key)?;
-                infcx.make_canonicalized_query_response(
-                    canonical_inference_vars,
-                    value,
-                    &mut *fulfill_cx,
-                )
-            },
-        )
-    }
-}
-
 impl<'cx, 'tcx> InferCtxt<'cx, 'tcx> {
     /// This method is meant to be invoked as the final step of a canonical query
     /// implementation. It is given:
@@ -196,9 +152,9 @@ fn make_query_response<T>(
     /// the query before applying this function.)
     ///
     /// To get a good understanding of what is happening here, check
-    /// out the [chapter in the rustc guide][c].
+    /// out the [chapter in the rustc dev guide][c].
     ///
-    /// [c]: https://rust-lang.github.io/rustc-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>,