Better codes

Signed-off-by: JmPotato <[email protected]>

Author: JmPotato

crates/ra_ide/src/display/short_label.rs

@@ -61,15 +61,11 @@ impl ShortLabel for ast::TypeAlias {
 
 impl ShortLabel for ast::Const {
     fn short_label(&self) -> Option<String> {
-        match short_label_from_ty(self, self.ty(), "const ") {
-            Some(buf) => {
-                let mut new_buf = buf;
-                let body = self.body().unwrap();
-                format_to!(new_buf, " = {}", body.syntax());
-                Some(new_buf)
-            }
-            None => None,
+        let mut new_buf = short_label_from_ty(self, self.ty(), "const ")?;
+        if let Some(expr) = self.body() {
+            format_to!(new_buf, " = {}", expr.syntax());
         }
+        Some(new_buf)
     }
 }