Format source codes

src/expr.rs

@@ -3035,8 +3035,7 @@ impl<'a> ToExpr for ast::StructField {
         None
     }
 
-    #[allow(unused_variables)]
-    fn can_be_overflowed(&self, context: &RewriteContext, len: usize) -> bool {
+    fn can_be_overflowed(&self, _: &RewriteContext, _: usize) -> bool {
         false
     }
 }

src/file_lines.rs

@@ -167,7 +167,9 @@ impl FileLines {
 }
 
 /// FileLines files iterator.
-pub struct Files<'a>(Option<::std::collections::hash_map::Keys<'a, String, Vec<Range>>>);
+pub struct Files<'a>(
+    Option<::std::collections::hash_map::Keys<'a, String, Vec<Range>>>,
+);
 
 impl<'a> iter::Iterator for Files<'a> {
     type Item = &'a String;

src/items.rs

@@ -1419,6 +1419,11 @@ fn rewrite_struct_field_type(
         .map(|ty| format!("{}{}", spacing, ty))
 }
 
+impl Rewrite for ast::StructField {
+    fn rewrite(&self, context: &RewriteContext, shape: Shape) -> Option<String> {
+        rewrite_struct_field(context, self, shape, 0)
+    }
+}
 
 pub fn rewrite_struct_field(
     context: &RewriteContext,

tests/target/configs-struct_field_align_threshold-20.rs

@@ -73,14 +73,19 @@ struct Bar;
 
 struct NewType(Type, OtherType);
 
-struct NewInt<T: Copy>(pub i32, SomeType /* inline comment */, T /* sup */);
+struct NewInt<T: Copy>(
+    pub i32,
+    SomeType, // inline comment
+    T, // sup
+);
 
-struct Qux<'a,
-           N: Clone + 'a,
-           E: Clone + 'a,
-           G: Labeller<'a, N, E> + GraphWalk<'a, N, E>,
-           W: Write + Copy>
-(
+struct Qux<
+    'a,
+    N: Clone + 'a,
+    E: Clone + 'a,
+    G: Labeller<'a, N, E> + GraphWalk<'a, N, E>,
+    W: Write + Copy,
+>(
     AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA, // Comment
     BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB,
     #[AnAttr]
@@ -94,7 +99,7 @@ struct Tuple(
     // Comment 1
     AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA,
     // Comment 2
-    BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
+    BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB,
 );
 
 // With a where clause and generics.
@@ -139,7 +144,10 @@ struct Baz {
 }
 
 // Will this be a one-liner?
-struct Tuple(A /* Comment */, B);
+struct Tuple(
+    A, // Comment
+    B,
+);
 
 pub struct State<F: FnMut() -> time::Timespec> {
     now: F,
@@ -186,19 +194,27 @@ struct Foo<T>(
     TTTTTTTTTTTTTTTTT,
     UUUUUUUUUUUUUUUUUUUUUUUU,
     TTTTTTTTTTTTTTTTTTT,
-    UUUUUUUUUUUUUUUUUUU
+    UUUUUUUUUUUUUUUUUUU,
 );
-struct Foo<T>(TTTTTTTTTTTTTTTTTT, UUUUUUUUUUUUUUUUUUUUUUUU, TTTTTTTTTTTTTTTTTTT)
+struct Foo<T>(
+    TTTTTTTTTTTTTTTTTT,
+    UUUUUUUUUUUUUUUUUUUUUUUU,
+    TTTTTTTTTTTTTTTTTTT,
+)
 where
     T: PartialEq;
-struct Foo<T>(TTTTTTTTTTTTTTTTT, UUUUUUUUUUUUUUUUUUUUUUUU, TTTTTTTTTTTTTTTTTTTTT)
+struct Foo<T>(
+    TTTTTTTTTTTTTTTTT,
+    UUUUUUUUUUUUUUUUUUUUUUUU,
+    TTTTTTTTTTTTTTTTTTTTT,
+)
 where
     T: PartialEq;
 struct Foo<T>(
     TTTTTTTTTTTTTTTTT,
     UUUUUUUUUUUUUUUUUUUUUUUU,
     TTTTTTTTTTTTTTTTTTT,
-    UUUUUUUUUUUUUUUUUUU
+    UUUUUUUUUUUUUUUUUUU,
 )
 where
     T: PartialEq;
@@ -208,7 +224,7 @@ struct Foo<T>(
     // Baz
     TTTTTTTTTTTTTTTTTTT,
     // Qux (FIXME #572 - doc comment)
-    UUUUUUUUUUUUUUUUUUU
+    UUUUUUUUUUUUUUUUUUU,
 );
 
 mod m {
@@ -223,7 +239,7 @@ mod m {
 struct Foo<T>(
     TTTTTTTTTTTTTTTTTTT,
     /// Qux
-    UUUUUUUUUUUUUUUUUUU
+    UUUUUUUUUUUUUUUUUUU,
 );
 
 struct Issue677 {

tests/target/macros.rs

@@ -29,7 +29,7 @@ fn main() {
     kaas!(
         // comments
         a, // post macro
-        b /* another */
+        b // another
     );
 
     trailingcomma!(a, b, c,);

tests/target/multiple.rs

@@ -40,7 +40,7 @@ where
 
 fn baz<
     'a: 'b, // comment on 'a
-    T: SomsssssssssssssssssssssssssssssssssssssssssssssssssssssseType, /* comment on T */
+    T: SomsssssssssssssssssssssssssssssssssssssssssssssssssssssseType, // comment on T
 >(
     a: A,
     b: B, // comment on b

tests/target/paths.rs

@@ -14,7 +14,10 @@ fn main() {
             supports_clipboard,
         );
 
-    Quux::<ParamOne /* Comment 1 */, ParamTwo /* Comment 2 */>::some_func();
+    Quux::<
+        ParamOne, // Comment 1
+        ParamTwo, // Comment 2
+    >::some_func();
 
     <*mut JSObject>::relocate(entry);
 

tests/target/struct_tuple_visual.rs

@@ -10,7 +10,7 @@ fn foo() {
         // Comment
         foo(), // Comment
         // Comment
-        bar(), /* Comment */
+        bar(), // Comment
     );
 
     Foo(Bar, f());
@@ -24,7 +24,7 @@ fn foo() {
 
     Baz(
         xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx,
-        zzzzz, /* test */
+        zzzzz, // test
     );
 
     A(

tests/target/structs.rs

@@ -41,7 +41,11 @@ struct Bar;
 
 struct NewType(Type, OtherType);
 
-struct NewInt<T: Copy>(pub i32, SomeType /* inline comment */, T /* sup */);
+struct NewInt<T: Copy>(
+    pub i32,
+    SomeType, // inline comment
+    T, // sup
+);
 
 struct Qux<
     'a,
@@ -108,7 +112,10 @@ struct Baz {
 }
 
 // Will this be a one-liner?
-struct Tuple(A /* Comment */, B);
+struct Tuple(
+    A, // Comment
+    B,
+);
 
 pub struct State<F: FnMut() -> time::Timespec> {
     now: F,
@@ -157,10 +164,18 @@ struct Foo<T>(
     TTTTTTTTTTTTTTTTTTT,
     UUUUUUUUUUUUUUUUUUU,
 );
-struct Foo<T>(TTTTTTTTTTTTTTTTTT, UUUUUUUUUUUUUUUUUUUUUUUU, TTTTTTTTTTTTTTTTTTT)
+struct Foo<T>(
+    TTTTTTTTTTTTTTTTTT,
+    UUUUUUUUUUUUUUUUUUUUUUUU,
+    TTTTTTTTTTTTTTTTTTT,
+)
 where
     T: PartialEq;
-struct Foo<T>(TTTTTTTTTTTTTTTTT, UUUUUUUUUUUUUUUUUUUUUUUU, TTTTTTTTTTTTTTTTTTTTT)
+struct Foo<T>(
+    TTTTTTTTTTTTTTTTT,
+    UUUUUUUUUUUUUUUUUUUUUUUU,
+    TTTTTTTTTTTTTTTTTTTTT,
+)
 where
     T: PartialEq;
 struct Foo<T>(

tests/target/trailing_commas.rs

@@ -48,10 +48,7 @@ struct Pair<
 
 struct TupPair<
     S, T,
->(
-    S,
-    T,
-)
+>(S, T,)
 where
     T: P,
     S: P + Q;