bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Comment stuff in the new solver

Browse source
This commit is contained in:
Michael Goulet 2023-07-23 12:30:52 -07:00
parent 77e24f90f5
commit f3553691a8
8 changed files with 63 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

13
compiler/rustc_trait_selection/src/solve/mod.rs
View file

@ -1,14 +1,19 @@
//! The new trait solver, currently still WIP.
//! The next-generation trait solver, currently still WIP.
//!
//! As a user of the trait system, you can use `TyCtxt::evaluate_goal` to
//! interact with this solver.
//! As a user of rust, you can use `-Ztrait-solver=next` or `next-coherence`
//! to enable the new trait solver always, or just within coherence, respectively.
//!
//! As a developer of rustc, you probably shouldn't be using the new trait
//! solver without asking the trait-system-refactor-initiative, but it can
//! be enabled with `InferCtxtBuilder::with_next_trait_solver`. This will
//! ensure that trait solving using that inference context will be routed
//! to the new trait solver.
//!
//! For a high-level overview of how this solver works, check out the relevant
//! section of the rustc-dev-guide.
//!
//! FIXME(@lcnr): Write that section. If you read this before then ask me
//! about it on zulip.
use rustc_hir::def_id::DefId;
use rustc_infer::infer::canonical::{Canonical, CanonicalVarValues};
use rustc_infer::traits::query::NoSolution;