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#![deny(clippy::trait_duplication_in_bounds)]
#![allow(unused)]
use std::collections::BTreeMap;
use std::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Sub, SubAssign};
fn bad_foo<T: Clone + Default, Z: Copy>(arg0: T, arg1: Z)
where
T: Clone,
T: Default,
{
unimplemented!();
}
fn good_bar<T: Clone + Default>(arg: T) {
unimplemented!();
}
fn good_foo<T>(arg: T)
where
T: Clone + Default,
{
unimplemented!();
}
fn good_foobar<T: Default>(arg: T)
where
T: Clone,
{
unimplemented!();
}
trait T: Default {
fn f()
where
Self: Default;
}
trait U: Default {
fn f()
where
Self: Clone;
}
trait ZZ: Default {
fn g();
fn h();
fn f()
where
Self: Default + Clone;
}
trait BadTrait: Default + Clone {
fn f()
where
Self: Default + Clone;
fn g()
where
Self: Default;
fn h()
where
Self: Copy;
}
#[derive(Default, Clone)]
struct Life;
impl T for Life {
// this should not warn
fn f() {}
}
impl U for Life {
// this should not warn
fn f() {}
}
// should not warn
trait Iter: Iterator {
fn into_group_btreemap<K, V>(self) -> BTreeMap<K, Vec<V>>
where
Self: Iterator<Item = (K, V)> + Sized,
K: Ord + Eq,
{
unimplemented!();
}
}
struct Foo;
trait FooIter: Iterator<Item = Foo> {
fn bar()
where
Self: Iterator<Item = Foo>,
{
}
}
// This should not lint
fn impl_trait(_: impl AsRef<str>, _: impl AsRef<str>) {}
mod repeated_where_clauses_or_trait_bounds {
fn bad_foo<T: Clone + Clone + Clone + Copy, U: Clone + Copy>(arg0: T, argo1: U) {
unimplemented!();
}
fn bad_bar<T, U>(arg0: T, arg1: U)
where
T: Clone + Clone + Clone + Copy,
U: Clone + Copy,
{
unimplemented!();
}
fn good_bar<T: Clone + Copy, U: Clone + Copy>(arg0: T, arg1: U) {
unimplemented!();
}
fn good_foo<T, U>(arg0: T, arg1: U)
where
T: Clone + Copy,
U: Clone + Copy,
{
unimplemented!();
}
trait GoodSelfTraitBound: Clone + Copy {
fn f();
}
trait GoodSelfWhereClause {
fn f()
where
Self: Clone + Copy;
}
trait BadSelfTraitBound: Clone + Clone + Clone {
fn f();
}
trait BadSelfWhereClause {
fn f()
where
Self: Clone + Clone + Clone;
}
trait GoodTraitBound<T: Clone + Copy, U: Clone + Copy> {
fn f();
}
trait GoodWhereClause<T, U> {
fn f()
where
T: Clone + Copy,
U: Clone + Copy;
}
trait BadTraitBound<T: Clone + Clone + Clone + Copy, U: Clone + Copy> {
fn f();
}
trait BadWhereClause<T, U> {
fn f()
where
T: Clone + Clone + Clone + Copy,
U: Clone + Copy;
}
struct GoodStructBound<T: Clone + Copy, U: Clone + Copy> {
t: T,
u: U,
}
impl<T: Clone + Copy, U: Clone + Copy> GoodTraitBound<T, U> for GoodStructBound<T, U> {
// this should not warn
fn f() {}
}
struct GoodStructWhereClause;
impl<T, U> GoodTraitBound<T, U> for GoodStructWhereClause
where
T: Clone + Copy,
U: Clone + Copy,
{
// this should not warn
fn f() {}
}
fn no_error_separate_arg_bounds(program: impl AsRef<()>, dir: impl AsRef<()>, args: &[impl AsRef<()>]) {}
trait GenericTrait<T> {}
// This should not warn but currently does see #8757
fn good_generic<T: GenericTrait<u64> + GenericTrait<u32>>(arg0: T) {
unimplemented!();
}
fn bad_generic<T: GenericTrait<u64> + GenericTrait<u32> + GenericTrait<u64>>(arg0: T) {
unimplemented!();
}
mod foo {
pub trait Clone {}
}
fn qualified_path<T: std::clone::Clone + Clone + foo::Clone>(arg0: T) {
unimplemented!();
}
}
fn main() {}
|
