4 files changed, 7 insertions, 6 deletions

diff --git a/crates/ra_ide_api/src/display/short_label.rs b/crates/ra_ide_api/src/display/short_label.rs
index f926f631f..be499e485 100644
--- a/crates/ra_ide_api/src/display/short_label.rs
+++ b/crates/ra_ide_api/src/display/short_label.rs
@@ -1,3 +1,5 @@
+use std::fmt::Write;
+
 use ra_syntax::ast::{self, AstNode, NameOwner, TypeAscriptionOwner, VisibilityOwner};
 
 pub(crate) trait ShortLabel {
@@ -71,8 +73,7 @@ where
     let mut buf = short_label_from_node(node, prefix)?;
 
     if let Some(type_ref) = node.ascribed_type() {
-        buf.push_str(": ");
-        type_ref.syntax().text().push_to(&mut buf);
+        write!(buf, ": {}", type_ref.syntax()).unwrap();
     }
 
     Some(buf)
@@ -82,7 +83,7 @@ fn short_label_from_node<T>(node: &T, label: &str) -> Option<String>
 where
     T: NameOwner + VisibilityOwner,
 {
-    let mut buf = node.visibility().map(|v| format!("{} ", v.syntax().text())).unwrap_or_default();
+    let mut buf = node.visibility().map(|v| format!("{} ", v.syntax())).unwrap_or_default();
     buf.push_str(label);
     buf.push_str(node.name()?.text().as_str());
     Some(buf)
diff --git a/crates/ra_ide_api/src/folding_ranges.rs b/crates/ra_ide_api/src/folding_ranges.rs
index 9699000db..571d1c595 100644
--- a/crates/ra_ide_api/src/folding_ranges.rs
+++ b/crates/ra_ide_api/src/folding_ranges.rs
@@ -31,7 +31,7 @@ pub(crate) fn folding_ranges(file: &SourceFile) -> Vec<Fold> {
         // Fold items that span multiple lines
         if let Some(kind) = fold_kind(element.kind()) {
             let is_multiline = match &element {
-                SyntaxElement::Node(node) => node.text().contains('\n'),
+                SyntaxElement::Node(node) => node.text().contains_char('\n'),
                 SyntaxElement::Token(token) => token.text().contains('\n'),
             };
             if is_multiline {
diff --git a/crates/ra_ide_api/src/join_lines.rs b/crates/ra_ide_api/src/join_lines.rs
index fa998ebe1..7f25f2108 100644
--- a/crates/ra_ide_api/src/join_lines.rs
+++ b/crates/ra_ide_api/src/join_lines.rs
@@ -13,7 +13,7 @@ pub fn join_lines(file: &SourceFile, range: TextRange) -> TextEdit {
     let range = if range.is_empty() {
         let syntax = file.syntax();
         let text = syntax.text().slice(range.start()..);
-        let pos = match text.find('\n') {
+        let pos = match text.find_char('\n') {
             None => return TextEditBuilder::default().finish(),
             Some(pos) => pos,
         };
diff --git a/crates/ra_ide_api/src/typing.rs b/crates/ra_ide_api/src/typing.rs
index 1747a529e..5a1cbcc49 100644
--- a/crates/ra_ide_api/src/typing.rs
+++ b/crates/ra_ide_api/src/typing.rs
@@ -75,7 +75,7 @@ pub fn on_eq_typed(file: &SourceFile, eq_offset: TextUnit) -> Option<TextEdit> {
         if expr_range.contains(eq_offset) && eq_offset != expr_range.start() {
             return None;
         }
-        if file.syntax().text().slice(eq_offset..expr_range.start()).contains('\n') {
+        if file.syntax().text().slice(eq_offset..expr_range.start()).contains_char('\n') {
             return None;
         }
     } else {