avoid TextEditorBuilder for simple edits

crates/ra_ide_api/src/completion/complete_postfix.rs

@@ -9,16 +9,14 @@ use crate::{
 };
 use hir::{Ty, TypeCtor};
 use ra_syntax::{ast::AstNode, TextRange, TextUnit};
-use ra_text_edit::TextEditBuilder;
+use ra_text_edit::TextEdit;
 
 fn postfix_snippet(ctx: &CompletionContext, label: &str, detail: &str, snippet: &str) -> Builder {
     let edit = {
         let receiver_range =
             ctx.dot_receiver.as_ref().expect("no receiver available").syntax().text_range();
         let delete_range = TextRange::from_to(receiver_range.start(), ctx.source_range().end());
-        let mut builder = TextEditBuilder::default();
-        builder.replace(delete_range, snippet.to_string());
-        builder.finish()
+        TextEdit::replace(delete_range, snippet.to_string())
     };
     CompletionItem::new(CompletionKind::Postfix, ctx.source_range(), label)
         .detail(detail)

crates/ra_ide_api/src/completion/completion_item.rs

@@ -4,7 +4,7 @@ use std::fmt;
 
 use hir::Documentation;
 use ra_syntax::TextRange;
-use ra_text_edit::{TextEdit, TextEditBuilder};
+use ra_text_edit::TextEdit;
 
 /// `CompletionItem` describes a single completion variant in the editor pop-up.
 /// It is basically a POD with various properties. To construct a
@@ -192,12 +192,10 @@ impl Builder {
         let label = self.label;
         let text_edit = match self.text_edit {
             Some(it) => it,
-            None => {
-                let mut builder = TextEditBuilder::default();
-                builder
-                    .replace(self.source_range, self.insert_text.unwrap_or_else(|| label.clone()));
-                builder.finish()
-            }
+            None => TextEdit::replace(
+                self.source_range,
+                self.insert_text.unwrap_or_else(|| label.clone()),
+            ),
         };
 
         CompletionItem {

crates/ra_ide_api/src/diagnostics.rs

@@ -85,10 +85,9 @@ pub(crate) fn diagnostics(db: &RootDatabase, file_id: FileId) -> Vec<Diagnostic>
     })
     .on::<hir::diagnostics::MissingOkInTailExpr, _>(|d| {
         let node = d.ast(db);
-        let mut builder = TextEditBuilder::default();
         let replacement = format!("Ok({})", node.syntax());
-        builder.replace(node.syntax().text_range(), replacement);
-        let fix = SourceChange::source_file_edit_from("wrap with ok", file_id, builder.finish());
+        let edit = TextEdit::replace(node.syntax().text_range(), replacement);
+        let fix = SourceChange::source_file_edit_from("wrap with ok", file_id, edit);
         res.borrow_mut().push(Diagnostic {
             range: d.highlight_range(),
             message: d.message(),
@@ -152,9 +151,7 @@ fn text_edit_for_remove_unnecessary_braces_with_self_in_use_statement(
         let start = use_tree_list_node.prev_sibling_or_token()?.text_range().start();
         let end = use_tree_list_node.text_range().end();
         let range = TextRange::from_to(start, end);
-        let mut edit_builder = TextEditBuilder::default();
-        edit_builder.delete(range);
-        return Some(edit_builder.finish());
+        return Some(TextEdit::delete(range));
     }
     None
 }

crates/ra_ide_api/src/references/rename.rs

@@ -3,6 +3,7 @@
 use hir::ModuleSource;
 use ra_db::{SourceDatabase, SourceDatabaseExt};
 use ra_syntax::{algo::find_node_at_offset, ast, AstNode, SyntaxNode};
+use ra_text_edit::TextEdit;
 use relative_path::{RelativePath, RelativePathBuf};
 
 use crate::{
@@ -43,14 +44,7 @@ fn source_edit_from_file_id_range(
     range: TextRange,
     new_name: &str,
 ) -> SourceFileEdit {
-    SourceFileEdit {
-        file_id,
-        edit: {
-            let mut builder = ra_text_edit::TextEditBuilder::default();
-            builder.replace(range, new_name.into());
-            builder.finish()
-        },
-    }
+    SourceFileEdit { file_id, edit: TextEdit::replace(range, new_name.into()) }
 }
 
 fn rename_mod(
@@ -94,11 +88,7 @@ fn rename_mod(
 
     let edit = SourceFileEdit {
         file_id: position.file_id,
-        edit: {
-            let mut builder = ra_text_edit::TextEditBuilder::default();
-            builder.replace(ast_name.syntax().text_range(), new_name.into());
-            builder.finish()
-        },
+        edit: TextEdit::replace(ast_name.syntax().text_range(), new_name.into()),
     };
     source_file_edits.push(edit);
 
@@ -126,12 +116,14 @@ fn rename_reference(
 
 #[cfg(test)]
 mod tests {
+    use insta::assert_debug_snapshot;
+    use ra_text_edit::TextEditBuilder;
+    use test_utils::assert_eq_text;
+
     use crate::{
         mock_analysis::analysis_and_position, mock_analysis::single_file_with_position, FileId,
         ReferenceSearchResult,
     };
-    use insta::assert_debug_snapshot;
-    use test_utils::assert_eq_text;
 
     #[test]
     fn test_find_all_refs_for_local() {
@@ -452,7 +444,7 @@ mod tests {
     fn test_rename(text: &str, new_name: &str, expected: &str) {
         let (analysis, position) = single_file_with_position(text);
         let source_change = analysis.rename(position, new_name).unwrap();
-        let mut text_edit_builder = ra_text_edit::TextEditBuilder::default();
+        let mut text_edit_builder = TextEditBuilder::default();
         let mut file_id: Option<FileId> = None;
         if let Some(change) = source_change {
             for edit in change.info.source_file_edits {

crates/ra_ide_api/src/typing.rs

@@ -22,7 +22,7 @@ use ra_syntax::{
     SyntaxKind::*,
     SyntaxToken, TextRange, TextUnit, TokenAtOffset,
 };
-use ra_text_edit::{TextEdit, TextEditBuilder};
+use ra_text_edit::TextEdit;
 
 use crate::{db::RootDatabase, source_change::SingleFileChange, SourceChange, SourceFileEdit};
 
@@ -49,13 +49,12 @@ pub(crate) fn on_enter(db: &RootDatabase, position: FilePosition) -> Option<Sour
     let indent = node_indent(&file, comment.syntax())?;
     let inserted = format!("\n{}{} ", indent, prefix);
     let cursor_position = position.offset + TextUnit::of_str(&inserted);
-    let mut edit = TextEditBuilder::default();
-    edit.insert(position.offset, inserted);
+    let edit = TextEdit::insert(position.offset, inserted);
 
     Some(
         SourceChange::source_file_edit(
             "on enter",
-            SourceFileEdit { edit: edit.finish(), file_id: position.file_id },
+            SourceFileEdit { edit, file_id: position.file_id },
         )
         .with_cursor(FilePosition { offset: cursor_position, file_id: position.file_id }),
     )