From 6eb05c4a14bf233b1a6774074b526b54420deb9d Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 13 Mar 2020 18:02:04 +0100
Subject: Simplify

---
 crates/ra_assists/src/ast_transform.rs | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

(limited to 'crates/ra_assists/src/ast_transform.rs')

diff --git a/crates/ra_assists/src/ast_transform.rs b/crates/ra_assists/src/ast_transform.rs
index 42856f0ca..45558c448 100644
--- a/crates/ra_assists/src/ast_transform.rs
+++ b/crates/ra_assists/src/ast_transform.rs
@@ -37,7 +37,6 @@ pub struct SubstituteTypeParams<'a> {
 impl<'a> SubstituteTypeParams<'a> {
     pub fn for_trait_impl(
         source_scope: &'a SemanticsScope<'a, RootDatabase>,
-        db: &'a RootDatabase,
         // FIXME: there's implicit invariant that `trait_` and  `source_scope` match...
         trait_: hir::Trait,
         impl_def: ast::ImplDef,
@@ -45,7 +44,7 @@ impl<'a> SubstituteTypeParams<'a> {
         let substs = get_syntactic_substs(impl_def).unwrap_or_default();
         let generic_def: hir::GenericDef = trait_.into();
         let substs_by_param: FxHashMap<_, _> = generic_def
-            .params(db)
+            .params(source_scope.db)
             .into_iter()
             // this is a trait impl, so we need to skip the first type parameter -- this is a bit hacky
             .skip(1)
@@ -104,7 +103,6 @@ impl<'a> AstTransform<'a> for SubstituteTypeParams<'a> {
 pub struct QualifyPaths<'a> {
     target_scope: &'a SemanticsScope<'a, RootDatabase>,
     source_scope: &'a SemanticsScope<'a, RootDatabase>,
-    db: &'a RootDatabase,
     previous: Box<dyn AstTransform<'a> + 'a>,
 }
 
@@ -112,9 +110,8 @@ impl<'a> QualifyPaths<'a> {
     pub fn new(
         target_scope: &'a SemanticsScope<'a, RootDatabase>,
         source_scope: &'a SemanticsScope<'a, RootDatabase>,
-        db: &'a RootDatabase,
     ) -> Self {
-        Self { target_scope, source_scope, db, previous: Box::new(NullTransformer) }
+        Self { target_scope, source_scope, previous: Box::new(NullTransformer) }
     }
 
     fn get_substitution_inner(
@@ -132,7 +129,7 @@ impl<'a> QualifyPaths<'a> {
         let resolution = self.source_scope.resolve_hir_path(&hir_path?)?;
         match resolution {
             PathResolution::Def(def) => {
-                let found_path = from.find_use_path(self.db, def)?;
+                let found_path = from.find_use_path(self.source_scope.db, def)?;
                 let mut path = path_to_ast(found_path);
 
                 let type_args = p
-- 
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