Rollup merge of #36423 - GuillaumeGomez:eq_impl, r=pnkfelix

Add missing Eq implementations

Part of #36301.

src/libcore/char.rs

@@ -800,7 +800,7 @@ pub fn decode_utf8<I: IntoIterator<Item = u8>>(i: I) -> DecodeUtf8<I::IntoIter>
 
 /// `<DecodeUtf8 as Iterator>::next` returns this for an invalid input sequence.
 #[unstable(feature = "decode_utf8", issue = "33906")]
-#[derive(PartialEq, Debug)]
+#[derive(PartialEq, Eq, Debug)]
 pub struct InvalidSequence(());
 
 #[unstable(feature = "decode_utf8", issue = "33906")]

src/libcore/fmt/rt/v1.rs

@@ -31,7 +31,7 @@ pub struct FormatSpec {
 }
 
 /// Possible alignments that can be requested as part of a formatting directive.
-#[derive(Copy, Clone, PartialEq)]
+#[derive(Copy, Clone, PartialEq, Eq)]
 pub enum Alignment {
     /// Indication that contents should be left-aligned.
     Left,

src/libcore/num/dec2flt/mod.rs

@@ -155,13 +155,13 @@ from_str_float_impl!(f64);
 /// [`FromStr`]: ../str/trait.FromStr.html
 /// [`f32`]: ../../std/primitive.f32.html
 /// [`f64`]: ../../std/primitive.f64.html
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct ParseFloatError {
     kind: FloatErrorKind
 }
 
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 enum FloatErrorKind {
     Empty,
     Invalid,

src/libcore/num/flt2dec/decoder.rs

@@ -21,7 +21,7 @@ use num::dec2flt::rawfp::RawFloat;
 /// - Any number from `(mant - minus) * 2^exp` to `(mant + plus) * 2^exp` will
 ///   round to the original value. The range is inclusive only when
 ///   `inclusive` is true.
-#[derive(Copy, Clone, Debug, PartialEq)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
 pub struct Decoded {
     /// The scaled mantissa.
     pub mant: u64,
@@ -38,7 +38,7 @@ pub struct Decoded {
 }
 
 /// Decoded unsigned value.
-#[derive(Copy, Clone, Debug, PartialEq)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
 pub enum FullDecoded {
     /// Not-a-number.
     Nan,

src/libcore/num/mod.rs

@@ -2401,7 +2401,7 @@ impl usize {
 /// assert_eq!(nan.classify(), FpCategory::Nan);
 /// assert_eq!(sub.classify(), FpCategory::Subnormal);
 /// ```
-#[derive(Copy, Clone, PartialEq, Debug)]
+#[derive(Copy, Clone, PartialEq, Eq, Debug)]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub enum FpCategory {
     /// "Not a Number", often obtained by dividing by zero.
@@ -2744,11 +2744,11 @@ fn from_str_radix<T: FromStrRadixHelper>(src: &str, radix: u32)
 /// on the primitive integer types, such as [`i8::from_str_radix()`].
 ///
 /// [`i8::from_str_radix()`]: ../../std/primitive.i8.html#method.from_str_radix
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct ParseIntError { kind: IntErrorKind }
 
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 enum IntErrorKind {
     Empty,
     InvalidDigit,

src/libcore/str/mod.rs

@@ -101,7 +101,7 @@ impl FromStr for bool {
 }
 
 /// An error returned when parsing a `bool` from a string fails.
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct ParseBoolError { _priv: () }
 

src/libstd/ffi/c_str.rs

@@ -146,19 +146,19 @@ pub struct CStr {
 
 /// An error returned from `CString::new` to indicate that a nul byte was found
 /// in the vector provided.
-#[derive(Clone, PartialEq, Debug)]
+#[derive(Clone, PartialEq, Eq, Debug)]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct NulError(usize, Vec<u8>);
 
 /// An error returned from `CStr::from_bytes_with_nul` to indicate that a nul
 /// byte was found too early in the slice provided or one wasn't found at all.
-#[derive(Clone, PartialEq, Debug)]
+#[derive(Clone, PartialEq, Eq, Debug)]
 #[stable(feature = "cstr_from_bytes", since = "1.10.0")]
 pub struct FromBytesWithNulError { _a: () }
 
 /// An error returned from `CString::into_string` to indicate that a UTF-8 error
 /// was encountered during the conversion.
-#[derive(Clone, PartialEq, Debug)]
+#[derive(Clone, PartialEq, Eq, Debug)]
 #[stable(feature = "cstring_into", since = "1.7.0")]
 pub struct IntoStringError {
     inner: CString,

src/libstd/net/mod.rs

@@ -38,7 +38,7 @@ mod parser;
 ///
 /// [`shutdown`]: struct.TcpStream.html#method.shutdown
 /// [`TcpStream`]: struct.TcpStream.html
-#[derive(Copy, Clone, PartialEq, Debug)]
+#[derive(Copy, Clone, PartialEq, Eq, Debug)]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub enum Shutdown {
     /// Indicates that the reading portion of this stream/socket should be shut

src/libstd/net/parser.rs

@@ -370,7 +370,7 @@ impl FromStr for SocketAddr {
 
 /// An error returned when parsing an IP address or a socket address.
 #[stable(feature = "rust1", since = "1.0.0")]
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub struct AddrParseError(());
 
 #[stable(feature = "addr_parse_error_error", since = "1.4.0")]

src/libstd/sync/mpsc/select.rs

@@ -103,7 +103,7 @@ pub struct Handle<'rx, T:Send+'rx> {
 struct Packets { cur: *mut Handle<'static, ()> }
 
 #[doc(hidden)]
-#[derive(PartialEq)]
+#[derive(PartialEq, Eq)]
 pub enum StartResult {
     Installed,
     Abort,