Remove need for &format!(...) or &&"" dances in `span_label` calls

[rust.git] / src / librustc_passes / loops.rs

diff --git a/src/librustc_passes/loops.rs b/src/librustc_passes/loops.rs
index 2ea235af103788b0f9de6e09b5f3a36b139ffbdd..21a4c007fb1926b35144ee74db78919dd8ebf430 100644 (file)
--- a/src/librustc_passes/loops.rs
+++ b/src/librustc_passes/loops.rs
@@ -118,7 +118,7 @@ fn visit_expr(&mut self, e: &'hir hir::Expr) {
                                              "`break` with value from a `{}` loop",
                                              kind.name())
                                 .span_label(e.span,
-                                            &format!("can only break with a value inside `loop`"))
+                                            "can only break with a value inside `loop`")
                                 .emit();
                         }
                     }
@@ -154,12 +154,12 @@ fn require_loop(&self, name: &str, span: Span) {
             Loop(_) => {}
             Closure => {
                 struct_span_err!(self.sess, span, E0267, "`{}` inside of a closure", name)
-                .span_label(span, &format!("cannot break inside of a closure"))
+                .span_label(span, "cannot break inside of a closure")
                 .emit();
             }
             Normal => {
                 struct_span_err!(self.sess, span, E0268, "`{}` outside of loop", name)
-                .span_label(span, &format!("cannot break outside of a loop"))
+                .span_label(span, "cannot break outside of a loop")
                 .emit();
             }
         }
@@ -169,7 +169,7 @@ fn emit_unlabled_cf_in_while_condition(&mut self, span: Span, cf_type: &str) {
         struct_span_err!(self.sess, span, E0590,
                          "`break` or `continue` with no label in the condition of a `while` loop")
             .span_label(span,
-                        &format!("unlabeled `{}` in the condition of a `while` loop", cf_type))
+                        format!("unlabeled `{}` in the condition of a `while` loop", cf_type))
             .emit();
     }
 }