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Author: JohnTitor

clippy_lints/src/methods/mod.rs

@@ -2563,9 +2563,13 @@ fn lint_skip_while_next<'a, 'tcx>(
 ) {
     // lint if caller of `.skip_while().next()` is an Iterator
     if match_trait_method(cx, expr, &paths::ITERATOR) {
-        let msg = "called `skip_while(p).next()` on an `Iterator`. \
-                   This is more succinctly expressed by calling `.find(!p)` instead.";
-        span_lint(cx, SKIP_WHILE_NEXT, expr.span, msg);
+        span_help_and_lint(
+            cx,
+            SKIP_WHILE_NEXT,
+            expr.span,
+            "called `skip_while(p).next()` on an `Iterator`",
+            "this is more succinctly expressed by calling `.find(!p)` instead",
+        );
     }
 }
 

tests/ui/skip_while_next.stderr

@@ -1,12 +1,13 @@
-error: called `skip_while(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(!p)` instead.
+error: called `skip_while(p).next()` on an `Iterator`
   --> $DIR/skip_while_next.rs:14:13
    |
 LL |     let _ = v.iter().skip_while(|&x| *x < 0).next();
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: `-D clippy::skip-while-next` implied by `-D warnings`
+   = help: this is more succinctly expressed by calling `.find(!p)` instead
 
-error: called `skip_while(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(!p)` instead.
+error: called `skip_while(p).next()` on an `Iterator`
   --> $DIR/skip_while_next.rs:17:13
    |
 LL |       let _ = v.iter().skip_while(|&x| {
@@ -15,6 +16,8 @@ LL | |                                 *x < 0
 LL | |                             }
 LL | |                    ).next();
    | |___________________________^
+   |
+   = help: this is more succinctly expressed by calling `.find(!p)` instead
 
 error: aborting due to 2 previous errors