5 files changed, 23 insertions, 19 deletions

diff --git a/crates/assists/src/handlers/generate_impl.rs b/crates/assists/src/handlers/generate_impl.rs
index 9af45192b..827477272 100644
--- a/crates/assists/src/handlers/generate_impl.rs
+++ b/crates/assists/src/handlers/generate_impl.rs
@@ -1,6 +1,9 @@
 use itertools::Itertools;
 use stdx::format_to;
-use syntax::ast::{self, AstNode, AttrsOwner, GenericParamsOwner, NameOwner};
+use syntax::{
+    ast::{self, AstNode, AttrsOwner, GenericParamsOwner, NameOwner},
+    SmolStr,
+};
 
 use crate::{AssistContext, AssistId, AssistKind, Assists};
 
@@ -49,16 +52,16 @@ pub(crate) fn generate_impl(acc: &mut Assists, ctx: &AssistContext) -> Option<()
                 format_to!(buf, "{}", type_params.syntax());
             }
             buf.push_str(" ");
-            buf.push_str(name.text().as_str());
+            buf.push_str(name.text());
             if let Some(type_params) = type_params {
                 let lifetime_params = type_params
                     .lifetime_params()
                     .filter_map(|it| it.lifetime())
-                    .map(|it| it.text().clone());
+                    .map(|it| SmolStr::from(it.text()));
                 let type_params = type_params
                     .type_params()
                     .filter_map(|it| it.name())
-                    .map(|it| it.text().clone());
+                    .map(|it| SmolStr::from(it.text()));
 
                 let generic_params = lifetime_params.chain(type_params).format(", ");
                 format_to!(buf, "<{}>", generic_params)
diff --git a/crates/assists/src/handlers/generate_new.rs b/crates/assists/src/handlers/generate_new.rs
index 5c52b2bc8..b7390855a 100644
--- a/crates/assists/src/handlers/generate_new.rs
+++ b/crates/assists/src/handlers/generate_new.rs
@@ -3,7 +3,7 @@ use itertools::Itertools;
 use stdx::format_to;
 use syntax::{
     ast::{self, AstNode, GenericParamsOwner, NameOwner, StructKind, VisibilityOwner},
-    T,
+    SmolStr, T,
 };
 
 use crate::{AssistContext, AssistId, AssistKind, Assists};
@@ -95,14 +95,14 @@ fn generate_impl_text(strukt: &ast::Struct, code: &str) -> String {
         format_to!(buf, "{}", type_params.syntax());
     }
     buf.push_str(" ");
-    buf.push_str(strukt.name().unwrap().text().as_str());
+    buf.push_str(strukt.name().unwrap().text());
     if let Some(type_params) = type_params {
         let lifetime_params = type_params
             .lifetime_params()
             .filter_map(|it| it.lifetime())
-            .map(|it| it.text().clone());
+            .map(|it| SmolStr::from(it.text()));
         let type_params =
-            type_params.type_params().filter_map(|it| it.name()).map(|it| it.text().clone());
+            type_params.type_params().filter_map(|it| it.name()).map(|it| SmolStr::from(it.text()));
         format_to!(buf, "<{}>", lifetime_params.chain(type_params).format(", "))
     }
 
diff --git a/crates/assists/src/handlers/raw_string.rs b/crates/assists/src/handlers/raw_string.rs
index be963f162..d95267607 100644
--- a/crates/assists/src/handlers/raw_string.rs
+++ b/crates/assists/src/handlers/raw_string.rs
@@ -138,7 +138,7 @@ pub(crate) fn remove_hash(acc: &mut Assists, ctx: &AssistContext) -> Option<()>
         return None;
     }
 
-    let text = token.text().as_str();
+    let text = token.text();
     if !text.starts_with("r#") && text.ends_with('#') {
         return None;
     }
diff --git a/crates/assists/src/handlers/replace_derive_with_manual_impl.rs b/crates/assists/src/handlers/replace_derive_with_manual_impl.rs
index bd4c1c806..6aa9d2f2c 100644
--- a/crates/assists/src/handlers/replace_derive_with_manual_impl.rs
+++ b/crates/assists/src/handlers/replace_derive_with_manual_impl.rs
@@ -3,7 +3,7 @@ use ide_db::imports_locator;
 use itertools::Itertools;
 use syntax::{
     ast::{self, make, AstNode},
-    Direction, SmolStr,
+    Direction,
     SyntaxKind::{IDENT, WHITESPACE},
     TextSize,
 };
@@ -43,17 +43,18 @@ pub(crate) fn replace_derive_with_manual_impl(
 ) -> Option<()> {
     let attr = ctx.find_node_at_offset::<ast::Attr>()?;
 
-    let attr_name = attr
+    let has_derive = attr
         .syntax()
         .descendants_with_tokens()
         .filter(|t| t.kind() == IDENT)
         .find_map(syntax::NodeOrToken::into_token)
-        .filter(|t| t.text() == "derive")?
-        .text()
-        .clone();
+        .filter(|t| t.text() == "derive")
+        .is_some();
+    if !has_derive {
+        return None;
+    }
 
-    let trait_token =
-        ctx.token_at_offset().find(|t| t.kind() == IDENT && *t.text() != attr_name)?;
+    let trait_token = ctx.token_at_offset().find(|t| t.kind() == IDENT && t.text() != "derive")?;
     let trait_path = make::path_unqualified(make::path_segment(make::name_ref(trait_token.text())));
 
     let annotated_name = attr.syntax().siblings(Direction::Next).find_map(ast::Name::cast)?;
@@ -176,9 +177,9 @@ fn update_attribute(
         .syntax()
         .descendants_with_tokens()
         .filter(|t| t.kind() == IDENT)
-        .filter_map(|t| t.into_token().map(|t| t.text().clone()))
+        .filter_map(|t| t.into_token().map(|t| t.text().to_string()))
         .filter(|t| t != trait_name.text())
-        .collect::<Vec<SmolStr>>();
+        .collect::<Vec<_>>();
     let has_more_derives = !new_attr_input.is_empty();
 
     if has_more_derives {
diff --git a/crates/assists/src/utils.rs b/crates/assists/src/utils.rs
index fc9f83bab..44c35bafa 100644
--- a/crates/assists/src/utils.rs
+++ b/crates/assists/src/utils.rs
@@ -223,7 +223,7 @@ fn invert_special_case(expr: &ast::Expr) -> Option<ast::Expr> {
             let method = mce.name_ref()?;
             let arg_list = mce.arg_list()?;
 
-            let method = match method.text().as_str() {
+            let method = match method.text() {
                 "is_some" => "is_none",
                 "is_none" => "is_some",
                 "is_ok" => "is_err",