fix: use functional programming

[rust.git] / crates / ide-assists / src / handlers / inline_call.rs

diff --git a/crates/ide-assists/src/handlers/inline_call.rs b/crates/ide-assists/src/handlers/inline_call.rs
index 80d3b925593674266776a705fadd0c4ea59f9b65..b5d092e39b02972b24da8cdfaedf9432e8e42691 100644 (file)
--- a/crates/ide-assists/src/handlers/inline_call.rs
+++ b/crates/ide-assists/src/handlers/inline_call.rs
@@ -13,7 +13,7 @@
 use itertools::{izip, Itertools};
 use syntax::{
     ast::{self, edit_in_place::Indent, HasArgList, PathExpr},
-    ted, AstNode,
+    ted, AstNode, NodeOrToken, SyntaxKind,
 };
 
 use crate::{
@@ -311,6 +311,13 @@ fn inline(
     } else {
         fn_body.clone_for_update()
     };
+    if let Some(t) = body.syntax().ancestors().find_map(ast::Impl::cast).and_then(|i| i.self_ty()) {
+        body.syntax()
+            .descendants_with_tokens()
+            .filter_map(NodeOrToken::into_token)
+            .filter(|tok| tok.kind() == SyntaxKind::SELF_TYPE_KW)
+            .for_each(|tok| ted::replace(tok, t.syntax()));
+    }
     let usages_for_locals = |local| {
         Definition::Local(local)
             .usages(sema)
@@ -345,6 +352,7 @@ fn inline(
             }
         })
         .collect();
+
     if function.self_param(sema.db).is_some() {
         let this = || make::name_ref("this").syntax().clone_for_update();
         if let Some(self_local) = params[0].2.as_local(sema.db) {
@@ -1188,6 +1196,31 @@ fn bar() -> u32 {
       x
     }
 }
+"#,
+        )
+    }
+
+    #[test]
+    fn inline_call_with_self_type() {
+        check_assist(
+            inline_call,
+            r#"
+struct A(u32);
+impl A {
+    fn f() -> Self { Self(114514) }
+}
+fn main() {
+    A::f$0();
+}
+"#,
+            r#"
+struct A(u32);
+impl A {
+    fn f() -> Self { Self(114514) }
+}
+fn main() {
+    A(114514);
+}
 "#,
         )
     }