rewrite a message in the suggestion

Author: kyoto7250

clippy_lints/src/default_instead_of_iter_empty.rs

@@ -45,7 +45,7 @@ impl<'tcx> LateLintPass<'tcx> for DefaultIterEmpty {
                 cx,
                 DEFAULT_INSTEAD_OF_ITER_EMPTY,
                 expr.span,
-                "`std::iter::empty()` is shorter than `std::iter::Empty::default()` and same functionality",
+                "`std::iter::empty()` is the more idiomatic way",
                 "try",
                 sugg,
                 applicability,

tests/ui/default_instead_of_iter_empty.stderr

@@ -1,18 +1,18 @@
-error: `std::iter::empty()` is shorter than `std::iter::Empty::default()` and same functionality
+error: `std::iter::empty()` is the more idiomatic way
   --> $DIR/default_instead_of_iter_empty.rs:13:13
    |
 LL |     let _ = std::iter::Empty::<usize>::default();
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::iter::empty::<usize>()`
    |
    = note: `-D clippy::default-instead-of-iter-empty` implied by `-D warnings`
 
-error: `std::iter::empty()` is shorter than `std::iter::Empty::default()` and same functionality
+error: `std::iter::empty()` is the more idiomatic way
   --> $DIR/default_instead_of_iter_empty.rs:14:13
    |
 LL |     let _ = std::iter::Empty::<HashMap<usize, usize>>::default();
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::iter::empty::<HashMap<usize, usize>>()`
 
-error: `std::iter::empty()` is shorter than `std::iter::Empty::default()` and same functionality
+error: `std::iter::empty()` is the more idiomatic way
   --> $DIR/default_instead_of_iter_empty.rs:15:41
    |
 LL |     let _foo: std::iter::Empty<usize> = std::iter::Empty::default();