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-rw-r--r--crates/ra_syntax/src/ast/edit.rs13
1 files changed, 8 insertions, 5 deletions
diff --git a/crates/ra_syntax/src/ast/edit.rs b/crates/ra_syntax/src/ast/edit.rs
index 5438b8650..bd7f0aedc 100644
--- a/crates/ra_syntax/src/ast/edit.rs
+++ b/crates/ra_syntax/src/ast/edit.rs
@@ -23,8 +23,7 @@ impl ast::BinExpr {
23 pub fn replace_op(&self, op: SyntaxKind) -> Option<ast::BinExpr> { 23 pub fn replace_op(&self, op: SyntaxKind) -> Option<ast::BinExpr> {
24 let op_node: SyntaxElement = self.op_details()?.0.into(); 24 let op_node: SyntaxElement = self.op_details()?.0.into();
25 let to_insert: Option<SyntaxElement> = Some(tokens::op(op).into()); 25 let to_insert: Option<SyntaxElement> = Some(tokens::op(op).into());
26 let replace_range = op_node.clone()..=op_node; 26 Some(replace_children(self, single_node(op_node), to_insert.into_iter()))
27 Some(replace_children(self, replace_range, to_insert.into_iter()))
28 } 27 }
29} 28}
30 29
@@ -43,8 +42,7 @@ impl ast::FnDef {
43 return insert_children(self, InsertPosition::Last, to_insert.into_iter()); 42 return insert_children(self, InsertPosition::Last, to_insert.into_iter());
44 }; 43 };
45 to_insert.push(body.syntax().clone().into()); 44 to_insert.push(body.syntax().clone().into());
46 let replace_range = old_body_or_semi.clone()..=old_body_or_semi; 45 replace_children(self, single_node(old_body_or_semi), to_insert.into_iter())
47 replace_children(self, replace_range, to_insert.into_iter())
48 } 46 }
49} 47}
50 48
@@ -109,7 +107,7 @@ impl ast::ItemList {
109 let to_insert = iter::once(ws.ws().into()); 107 let to_insert = iter::once(ws.ws().into());
110 match existing_ws { 108 match existing_ws {
111 None => insert_children(self, InsertPosition::After(l_curly), to_insert), 109 None => insert_children(self, InsertPosition::After(l_curly), to_insert),
112 Some(ws) => replace_children(self, ws.clone().into()..=ws.into(), to_insert), 110 Some(ws) => replace_children(self, single_node(ws), to_insert),
113 } 111 }
114 } 112 }
115} 113}
@@ -352,6 +350,11 @@ fn insert_children<N: AstNode>(
352 N::cast(new_syntax).unwrap() 350 N::cast(new_syntax).unwrap()
353} 351}
354 352
353fn single_node(element: impl Into<SyntaxElement>) -> RangeInclusive<SyntaxElement> {
354 let element = element.into();
355 element.clone()..=element
356}
357
355#[must_use] 358#[must_use]
356fn replace_children<N: AstNode>( 359fn replace_children<N: AstNode>(
357 parent: &N, 360 parent: &N,