}
pub fn is_simple_path(&self) -> Option<Symbol> {
- if let TyKind::Path(None, Path { segments, .. }) = &self && segments.len() == 1 {
- Some(segments[0].ident.name)
+ if let TyKind::Path(None, Path { segments, .. }) = &self
+ && let [segment] = &segments[..]
+ && segment.args.is_none()
+ {
+ Some(segment.ident.name)
} else {
None
}
fn clone(&self) -> Mixed {
let _: ::core::clone::AssertParamIsClone<u32>;
let _: ::core::clone::AssertParamIsClone<Option<u32>>;
+ let _: ::core::clone::AssertParamIsClone<Option<i32>>;
*self
}
}
fn assert_receiver_is_total_eq(&self) -> () {
let _: ::core::cmp::AssertParamIsEq<u32>;
let _: ::core::cmp::AssertParamIsEq<Option<u32>>;
+ let _: ::core::cmp::AssertParamIsEq<Option<i32>>;
}
}
#[automatically_derived]
--- /dev/null
+// check-fail
+
+#[derive(PartialEq, Eq)]
+pub enum Value {
+ Boolean(Option<bool>),
+ Float(Option<f64>), //~ ERROR the trait bound `f64: Eq` is not satisfied
+}
+
+fn main() {
+ let a = Value::Float(Some(f64::NAN));
+ assert!(a == a);
+}
--- /dev/null
+error[E0277]: the trait bound `f64: Eq` is not satisfied
+ --> $DIR/issue-103157.rs:6:11
+ |
+LL | #[derive(PartialEq, Eq)]
+ | -- in this derive macro expansion
+...
+LL | Float(Option<f64>),
+ | ^^^^^^^^^^^ the trait `Eq` is not implemented for `f64`
+ |
+ = help: the following other types implement trait `Eq`:
+ i128
+ i16
+ i32
+ i64
+ i8
+ isize
+ u128
+ u16
+ and 4 others
+ = note: required for `Option<f64>` to implement `Eq`
+note: required by a bound in `AssertParamIsEq`
+ --> $SRC_DIR/core/src/cmp.rs:LL:COL
+ |
+LL | pub struct AssertParamIsEq<T: Eq + ?Sized> {
+ | ^^ required by this bound in `AssertParamIsEq`
+ = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.