Update to last version, remove "[]" as much as possible

1 files changed, 4 insertions, 4 deletions

diff --git a/src/libsyntax/diagnostics/plugin.rs b/src/libsyntax/diagnostics/plugin.rs
index 4a3c1f48252..833a6d52acb 100644
--- a/src/libsyntax/diagnostics/plugin.rs
+++ b/src/libsyntax/diagnostics/plugin.rs
@@ -58,7 +58,7 @@ pub fn expand_diagnostic_used<'cx>(ecx: &'cx mut ExtCtxt,
         match diagnostics.insert(code.name, span) {
             Some(previous_span) => {
                 ecx.span_warn(span, &format!(
-                    "diagnostic code {} already used", &token::get_ident(code)[]
+                    "diagnostic code {} already used", &token::get_ident(code)
                 )[]);
                 ecx.span_note(previous_span, "previous invocation");
             },
@@ -69,7 +69,7 @@ pub fn expand_diagnostic_used<'cx>(ecx: &'cx mut ExtCtxt,
     with_registered_diagnostics(|diagnostics| {
         if !diagnostics.contains_key(&code.name) {
             ecx.span_err(span, &format!(
-                "used diagnostic code {} not registered", &token::get_ident(code)[]
+                "used diagnostic code {} not registered", &token::get_ident(code)
             )[]);
         }
     });
@@ -94,12 +94,12 @@ pub fn expand_register_diagnostic<'cx>(ecx: &'cx mut ExtCtxt,
     with_registered_diagnostics(|diagnostics| {
         if diagnostics.insert(code.name, description).is_some() {
             ecx.span_err(span, &format!(
-                "diagnostic code {} already registered", &token::get_ident(*code)[]
+                "diagnostic code {} already registered", &token::get_ident(*code)
             )[]);
         }
     });
     let sym = Ident::new(token::gensym(&(
-        "__register_diagnostic_".to_string() + &token::get_ident(*code)[]
+        "__register_diagnostic_".to_string() + &token::get_ident(*code)
     )[]));
     MacItems::new(vec![quote_item!(ecx, mod $sym {}).unwrap()].into_iter())
 }