Improve error messages format

GuillaumeGomez · Nov 23, 2023 · 6c84b96 · 6c84b96
1 parent 840e227
commit 6c84b96
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Showing 11 changed files with 50 additions and 61 deletions.
diff --git a/clippy_lints/src/methods/map_unwrap_or.rs b/clippy_lints/src/methods/map_unwrap_or.rs
@@ -44,11 +44,9 @@ pub(super) fn check<'tcx>(
 
         // lint message
         let msg = if is_option {
-            "called `map(<f>).unwrap_or_else(<g>)` on an `Option` value. This can be done more directly by calling \
-            `map_or_else(<g>, <f>)` instead"
+            "called `map(<f>).unwrap_or_else(<g>)` on an `Option` value"
         } else {
-            "called `map(<f>).unwrap_or_else(<g>)` on a `Result` value. This can be done more directly by calling \
-            `.map_or_else(<g>, <f>)` instead"
+            "called `map(<f>).unwrap_or_else(<g>)` on a `Result` value"
         };
         // get snippets for args to map() and unwrap_or_else()
         let map_snippet = snippet(cx, map_arg.span, "..");

diff --git a/clippy_lints/src/methods/option_as_ref_deref.rs b/clippy_lints/src/methods/option_as_ref_deref.rs
@@ -99,10 +99,7 @@ pub(super) fn check(
         let hint = format!("{}.{method_hint}()", snippet(cx, as_ref_recv.span, ".."));
         let suggestion = format!("try using {method_hint} instead");
 
-        let msg = format!(
-            "called `{current_method}` on an Option value. This can be done more directly \
-            by calling `{hint}` instead"
-        );
+        let msg = format!("called `{current_method}` on an `Option` value");
         span_lint_and_sugg(
             cx,
             OPTION_AS_REF_DEREF,

diff --git a/clippy_lints/src/methods/option_map_or_none.rs b/clippy_lints/src/methods/option_map_or_none.rs
@@ -66,8 +66,7 @@ pub(super) fn check<'tcx>(
             && Some(id) == cx.tcx.lang_items().option_some_variant()
         {
             let func_snippet = snippet(cx, arg_char.span, "..");
-            let msg = "called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling \
-               `map(..)` instead";
+            let msg = "called `map_or(None, ..)` on an `Option` value";
             return span_lint_and_sugg(
                 cx,
                 OPTION_MAP_OR_NONE,
@@ -80,8 +79,7 @@ pub(super) fn check<'tcx>(
         }
 
         let func_snippet = snippet(cx, map_arg.span, "..");
-        let msg = "called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling \
-                       `and_then(..)` instead";
+        let msg = "called `map_or(None, ..)` on an `Option` value";
         span_lint_and_sugg(
             cx,
             OPTION_MAP_OR_NONE,
@@ -92,8 +90,7 @@ pub(super) fn check<'tcx>(
             Applicability::MachineApplicable,
         );
     } else if f_arg_is_some {
-        let msg = "called `map_or(None, Some)` on a `Result` value. This can be done more directly by calling \
-                       `ok()` instead";
+        let msg = "called `map_or(None, Some)` on a `Result` value";
         let self_snippet = snippet(cx, recv.span, "..");
         span_lint_and_sugg(
             cx,

diff --git a/clippy_lints/src/methods/option_map_unwrap_or.rs b/clippy_lints/src/methods/option_map_unwrap_or.rs
@@ -97,10 +97,7 @@ pub(super) fn check<'tcx>(
         } else {
             "map_or(<a>, <f>)"
         };
-        let msg = &format!(
-            "called `map(<f>).unwrap_or({arg})` on an `Option` value. \
-            This can be done more directly by calling `{suggest}` instead"
-        );
+        let msg = &format!("called `map(<f>).unwrap_or({arg})` on an `Option` value");
 
         span_lint_and_then(cx, MAP_UNWRAP_OR, expr.span, msg, |diag| {
             let map_arg_span = map_arg.span;

diff --git a/tests/ui/map_unwrap_or.stderr b/tests/ui/map_unwrap_or.stderr
@@ -1,4 +1,4 @@
-error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
+error: called `map(<f>).unwrap_or(<a>)` on an `Option` value
   --> $DIR/map_unwrap_or.rs:17:13
    |
 LL |       let _ = opt.map(|x| x + 1)
@@ -15,7 +15,7 @@ LL -     let _ = opt.map(|x| x + 1)
 LL +     let _ = opt.map_or(0, |x| x + 1);
    |
 
-error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
+error: called `map(<f>).unwrap_or(<a>)` on an `Option` value
   --> $DIR/map_unwrap_or.rs:21:13
    |
 LL |       let _ = opt.map(|x| {
@@ -33,7 +33,7 @@ LL |     }
 LL ~     );
    |
 
-error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
+error: called `map(<f>).unwrap_or(<a>)` on an `Option` value
   --> $DIR/map_unwrap_or.rs:25:13
    |
 LL |       let _ = opt.map(|x| x + 1)
@@ -50,7 +50,7 @@ LL +             0
 LL ~         }, |x| x + 1);
    |
 
-error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead
+error: called `map(<f>).unwrap_or(None)` on an `Option` value
   --> $DIR/map_unwrap_or.rs:30:13
    |
 LL |     let _ = opt.map(|x| Some(x + 1)).unwrap_or(None);
@@ -62,7 +62,7 @@ LL -     let _ = opt.map(|x| Some(x + 1)).unwrap_or(None);
 LL +     let _ = opt.and_then(|x| Some(x + 1));
    |
 
-error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead
+error: called `map(<f>).unwrap_or(None)` on an `Option` value
   --> $DIR/map_unwrap_or.rs:32:13
    |
 LL |       let _ = opt.map(|x| {
@@ -80,7 +80,7 @@ LL |     }
 LL ~     );
    |
 
-error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead
+error: called `map(<f>).unwrap_or(None)` on an `Option` value
   --> $DIR/map_unwrap_or.rs:36:13
    |
 LL |       let _ = opt
@@ -95,7 +95,7 @@ LL -         .map(|x| Some(x + 1))
 LL +         .and_then(|x| Some(x + 1));
    |
 
-error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
+error: called `map(<f>).unwrap_or(<a>)` on an `Option` value
   --> $DIR/map_unwrap_or.rs:47:13
    |
 LL |     let _ = Some("prefix").map(|p| format!("{}.", p)).unwrap_or(id);
@@ -107,7 +107,7 @@ LL -     let _ = Some("prefix").map(|p| format!("{}.", p)).unwrap_or(id);
 LL +     let _ = Some("prefix").map_or(id, |p| format!("{}.", p));
    |
 
-error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value. This can be done more directly by calling `map_or_else(<g>, <f>)` instead
+error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value
   --> $DIR/map_unwrap_or.rs:51:13
    |
 LL |       let _ = opt.map(|x| {
@@ -117,7 +117,7 @@ LL | |     }
 LL | |     ).unwrap_or_else(|| 0);
    | |__________________________^
 
-error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value. This can be done more directly by calling `map_or_else(<g>, <f>)` instead
+error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value
   --> $DIR/map_unwrap_or.rs:55:13
    |
 LL |       let _ = opt.map(|x| x + 1)
@@ -127,7 +127,7 @@ LL | |             0
 LL | |         );
    | |_________^
 
-error: called `map(<f>).unwrap_or(false)` on an `Option` value. This can be done more directly by calling `is_some_and(<f>)` instead
+error: called `map(<f>).unwrap_or(false)` on an `Option` value
   --> $DIR/map_unwrap_or.rs:61:13
    |
 LL |     let _ = opt.map(|x| x > 5).unwrap_or(false);
@@ -139,7 +139,7 @@ LL -     let _ = opt.map(|x| x > 5).unwrap_or(false);
 LL +     let _ = opt.is_some_and(|x| x > 5);
    |
 
-error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value. This can be done more directly by calling `.map_or_else(<g>, <f>)` instead
+error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value
   --> $DIR/map_unwrap_or.rs:71:13
    |
 LL |       let _ = res.map(|x| {
@@ -149,7 +149,7 @@ LL | |     }
 LL | |     ).unwrap_or_else(|_e| 0);
    | |____________________________^
 
-error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value. This can be done more directly by calling `.map_or_else(<g>, <f>)` instead
+error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value
   --> $DIR/map_unwrap_or.rs:75:13
    |
 LL |       let _ = res.map(|x| x + 1)
@@ -159,13 +159,13 @@ LL | |             0
 LL | |         });
    | |__________^
 
-error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value. This can be done more directly by calling `.map_or_else(<g>, <f>)` instead
+error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value
   --> $DIR/map_unwrap_or.rs:99:13
    |
 LL |     let _ = res.map(|x| x + 1).unwrap_or_else(|_e| 0);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `res.map_or_else(|_e| 0, |x| x + 1)`
 
-error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
+error: called `map(<f>).unwrap_or(<a>)` on an `Option` value
   --> $DIR/map_unwrap_or.rs:106:13
    |
 LL |     let _ = opt.map(|x| x > 5).unwrap_or(false);
@@ -177,7 +177,7 @@ LL -     let _ = opt.map(|x| x > 5).unwrap_or(false);
 LL +     let _ = opt.map_or(false, |x| x > 5);
    |
 
-error: called `map(<f>).unwrap_or(false)` on an `Option` value. This can be done more directly by calling `is_some_and(<f>)` instead
+error: called `map(<f>).unwrap_or(false)` on an `Option` value
   --> $DIR/map_unwrap_or.rs:113:13
    |
 LL |     let _ = opt.map(|x| x > 5).unwrap_or(false);

diff --git a/tests/ui/map_unwrap_or_fixable.stderr b/tests/ui/map_unwrap_or_fixable.stderr
@@ -1,4 +1,4 @@
-error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value. This can be done more directly by calling `map_or_else(<g>, <f>)` instead
+error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value
   --> $DIR/map_unwrap_or_fixable.rs:16:13
    |
 LL |       let _ = opt.map(|x| x + 1)
@@ -10,7 +10,7 @@ LL | |         .unwrap_or_else(|| 0);
    = note: `-D clippy::map-unwrap-or` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::map_unwrap_or)]`
 
-error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value. This can be done more directly by calling `.map_or_else(<g>, <f>)` instead
+error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value
   --> $DIR/map_unwrap_or_fixable.rs:46:13
    |
 LL |       let _ = res.map(|x| x + 1)

diff --git a/tests/ui/option_as_ref_deref.stderr b/tests/ui/option_as_ref_deref.stderr
@@ -1,4 +1,4 @@
-error: called `.as_ref().map(Deref::deref)` on an Option value. This can be done more directly by calling `opt.clone().as_deref()` instead
+error: called `.as_ref().map(Deref::deref)` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:11:13
    |
 LL |     let _ = opt.clone().as_ref().map(Deref::deref).map(str::len);
@@ -7,7 +7,7 @@ LL |     let _ = opt.clone().as_ref().map(Deref::deref).map(str::len);
    = note: `-D clippy::option-as-ref-deref` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::option_as_ref_deref)]`
 
-error: called `.as_ref().map(Deref::deref)` on an Option value. This can be done more directly by calling `opt.clone().as_deref()` instead
+error: called `.as_ref().map(Deref::deref)` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:14:13
    |
 LL |       let _ = opt.clone()
@@ -17,97 +17,97 @@ LL | |             Deref::deref
 LL | |         )
    | |_________^ help: try using as_deref instead: `opt.clone().as_deref()`
 
-error: called `.as_mut().map(DerefMut::deref_mut)` on an Option value. This can be done more directly by calling `opt.as_deref_mut()` instead
+error: called `.as_mut().map(DerefMut::deref_mut)` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:20:13
    |
 LL |     let _ = opt.as_mut().map(DerefMut::deref_mut);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.as_deref_mut()`
 
-error: called `.as_ref().map(String::as_str)` on an Option value. This can be done more directly by calling `opt.as_deref()` instead
+error: called `.as_ref().map(String::as_str)` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:22:13
    |
 LL |     let _ = opt.as_ref().map(String::as_str);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()`
 
-error: called `.as_ref().map(|x| x.as_str())` on an Option value. This can be done more directly by calling `opt.as_deref()` instead
+error: called `.as_ref().map(|x| x.as_str())` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:23:13
    |
 LL |     let _ = opt.as_ref().map(|x| x.as_str());
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()`
 
-error: called `.as_mut().map(String::as_mut_str)` on an Option value. This can be done more directly by calling `opt.as_deref_mut()` instead
+error: called `.as_mut().map(String::as_mut_str)` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:24:13
    |
 LL |     let _ = opt.as_mut().map(String::as_mut_str);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.as_deref_mut()`
 
-error: called `.as_mut().map(|x| x.as_mut_str())` on an Option value. This can be done more directly by calling `opt.as_deref_mut()` instead
+error: called `.as_mut().map(|x| x.as_mut_str())` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:25:13
    |
 LL |     let _ = opt.as_mut().map(|x| x.as_mut_str());
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.as_deref_mut()`
 
-error: called `.as_ref().map(CString::as_c_str)` on an Option value. This can be done more directly by calling `Some(CString::new(vec![]).unwrap()).as_deref()` instead
+error: called `.as_ref().map(CString::as_c_str)` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:26:13
    |
 LL |     let _ = Some(CString::new(vec![]).unwrap()).as_ref().map(CString::as_c_str);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `Some(CString::new(vec![]).unwrap()).as_deref()`
 
-error: called `.as_ref().map(OsString::as_os_str)` on an Option value. This can be done more directly by calling `Some(OsString::new()).as_deref()` instead
+error: called `.as_ref().map(OsString::as_os_str)` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:27:13
    |
 LL |     let _ = Some(OsString::new()).as_ref().map(OsString::as_os_str);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `Some(OsString::new()).as_deref()`
 
-error: called `.as_ref().map(PathBuf::as_path)` on an Option value. This can be done more directly by calling `Some(PathBuf::new()).as_deref()` instead
+error: called `.as_ref().map(PathBuf::as_path)` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:28:13
    |
 LL |     let _ = Some(PathBuf::new()).as_ref().map(PathBuf::as_path);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `Some(PathBuf::new()).as_deref()`
 
-error: called `.as_ref().map(Vec::as_slice)` on an Option value. This can be done more directly by calling `Some(Vec::<()>::new()).as_deref()` instead
+error: called `.as_ref().map(Vec::as_slice)` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:29:13
    |
 LL |     let _ = Some(Vec::<()>::new()).as_ref().map(Vec::as_slice);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `Some(Vec::<()>::new()).as_deref()`
 
-error: called `.as_mut().map(Vec::as_mut_slice)` on an Option value. This can be done more directly by calling `Some(Vec::<()>::new()).as_deref_mut()` instead
+error: called `.as_mut().map(Vec::as_mut_slice)` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:30:13
    |
 LL |     let _ = Some(Vec::<()>::new()).as_mut().map(Vec::as_mut_slice);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `Some(Vec::<()>::new()).as_deref_mut()`
 
-error: called `.as_ref().map(|x| x.deref())` on an Option value. This can be done more directly by calling `opt.as_deref()` instead
+error: called `.as_ref().map(|x| x.deref())` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:32:13
    |
 LL |     let _ = opt.as_ref().map(|x| x.deref());
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()`
 
-error: called `.as_mut().map(|x| x.deref_mut())` on an Option value. This can be done more directly by calling `opt.clone().as_deref_mut()` instead
+error: called `.as_mut().map(|x| x.deref_mut())` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:33:13
    |
 LL |     let _ = opt.clone().as_mut().map(|x| x.deref_mut()).map(|x| x.len());
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.clone().as_deref_mut()`
 
-error: called `.as_ref().map(|x| &**x)` on an Option value. This can be done more directly by calling `opt.as_deref()` instead
+error: called `.as_ref().map(|x| &**x)` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:40:13
    |
 LL |     let _ = opt.as_ref().map(|x| &**x);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()`
 
-error: called `.as_mut().map(|x| &mut **x)` on an Option value. This can be done more directly by calling `opt.as_deref_mut()` instead
+error: called `.as_mut().map(|x| &mut **x)` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:41:13
    |
 LL |     let _ = opt.as_mut().map(|x| &mut **x);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.as_deref_mut()`
 
-error: called `.as_ref().map(std::ops::Deref::deref)` on an Option value. This can be done more directly by calling `opt.as_deref()` instead
+error: called `.as_ref().map(std::ops::Deref::deref)` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:44:13
    |
 LL |     let _ = opt.as_ref().map(std::ops::Deref::deref);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()`
 
-error: called `.as_ref().map(String::as_str)` on an Option value. This can be done more directly by calling `opt.as_deref()` instead
+error: called `.as_ref().map(String::as_str)` on an `Option` value
   --> $DIR/option_as_ref_deref.rs:56:13
    |
 LL |     let _ = opt.as_ref().map(String::as_str);

diff --git a/tests/ui/option_map_or_none.stderr b/tests/ui/option_map_or_none.stderr
@@ -1,4 +1,4 @@
-error: called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling `map(..)` instead
+error: called `map_or(None, ..)` on an `Option` value
   --> $DIR/option_map_or_none.rs:10:26
    |
 LL |     let _: Option<i32> = opt.map_or(None, |x| Some(x + 1));
@@ -7,7 +7,7 @@ LL |     let _: Option<i32> = opt.map_or(None, |x| Some(x + 1));
    = note: `-D clippy::option-map-or-none` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::option_map_or_none)]`
 
-error: called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling `map(..)` instead
+error: called `map_or(None, ..)` on an `Option` value
   --> $DIR/option_map_or_none.rs:13:26
    |
 LL |       let _: Option<i32> = opt.map_or(None, |x| {
@@ -16,13 +16,13 @@ LL | |                         Some(x + 1)
 LL | |                        });
    | |_________________________^ help: try using `map` instead: `opt.map(|x| x + 1)`
 
-error: called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling `and_then(..)` instead
+error: called `map_or(None, ..)` on an `Option` value
   --> $DIR/option_map_or_none.rs:17:26
    |
 LL |     let _: Option<i32> = opt.map_or(None, bar);
    |                          ^^^^^^^^^^^^^^^^^^^^^ help: try using `and_then` instead: `opt.and_then(bar)`
 
-error: called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling `and_then(..)` instead
+error: called `map_or(None, ..)` on an `Option` value
   --> $DIR/option_map_or_none.rs:18:26
    |
 LL |       let _: Option<i32> = opt.map_or(None, |x| {
@@ -42,7 +42,7 @@ LL +         Some(offset + height)
 LL ~     });
    |
 
-error: called `map_or(None, Some)` on a `Result` value. This can be done more directly by calling `ok()` instead
+error: called `map_or(None, Some)` on a `Result` value
   --> $DIR/option_map_or_none.rs:25:26
    |
 LL |     let _: Option<i32> = r.map_or(None, Some);

diff --git a/tests/ui/result_map_or_into_option.fixed b/tests/ui/result_map_or_into_option.fixed
@@ -3,7 +3,7 @@
 fn main() {
     let opt: Result<u32, &str> = Ok(1);
     let _ = opt.ok();
-    //~^ ERROR: called `map_or(None, Some)` on a `Result` value.
+    //~^ ERROR: called `map_or(None, Some)` on a `Result` value
     let _ = opt.ok();
     //~^ ERROR: called `map_or_else(|_| None, Some)` on a `Result` value
     #[rustfmt::skip]