Merge pull request #20703 from ShoyuVanilla/remove-chalk-solve

minor: Get rid of unused deps `chalk-solve` and `chalk-recursive`

Author: lnicola

Cargo.lock

@@ -37,9 +37,7 @@ debug = 2
 [patch.'crates-io']
 # rowan = { path = "../rowan" }
 
-# chalk-solve = { path = "../chalk/chalk-solve" }
 # chalk-ir = { path = "../chalk/chalk-ir" }
-# chalk-recursive = { path = "../chalk/chalk-recursive" }
 # chalk-derive = { path = "../chalk/chalk-derive" }
 # line-index = { path = "lib/line-index" }
 # la-arena = { path = "lib/la-arena" }
@@ -111,9 +109,7 @@ arrayvec = "0.7.6"
 bitflags = "2.9.1"
 cargo_metadata = "0.21.0"
 camino = "1.1.10"
-chalk-solve = { version = "0.104.0", default-features = false }
 chalk-ir = "0.104.0"
-chalk-recursive = { version = "0.104.0", default-features = false }
 chalk-derive = "0.104.0"
 crossbeam-channel = "0.5.15"
 dissimilar = "1.0.10"

Cargo.toml

@@ -24,9 +24,7 @@ oorandom = "11.1.5"
 tracing.workspace = true
 rustc-hash.workspace = true
 scoped-tls = "1.0.1"
-chalk-solve.workspace = true
 chalk-ir.workspace = true
-chalk-recursive.workspace = true
 chalk-derive.workspace = true
 la-arena.workspace = true
 triomphe.workspace = true

crates/hir-ty/Cargo.toml

@@ -4,7 +4,6 @@ use core::fmt;
 use std::hash::Hash;
 
 use chalk_ir::{DebruijnIndex, GoalData, fold::TypeFoldable};
-use chalk_solve::rust_ir;
 
 use base_db::Crate;
 use hir_def::{BlockId, TraitId, lang_item::LangItem};
@@ -405,15 +404,6 @@ impl FnTrait {
         }
     }
 
-    pub const fn to_chalk_ir(self) -> rust_ir::ClosureKind {
-        // Chalk doesn't support async fn traits.
-        match self {
-            FnTrait::AsyncFnOnce | FnTrait::FnOnce => rust_ir::ClosureKind::FnOnce,
-            FnTrait::AsyncFnMut | FnTrait::FnMut => rust_ir::ClosureKind::FnMut,
-            FnTrait::AsyncFn | FnTrait::Fn => rust_ir::ClosureKind::Fn,
-        }
-    }
-
     pub fn method_name(self) -> Name {
         match self {
             FnTrait::FnOnce => Name::new_symbol_root(sym::call_once),