#![no_std]
#![deny(unsafe_code)]

#[macro_use]
extern crate static_assertions;

use core::ops::Range;

trait Tri<A: ?Sized, B: ?Sized, C: ?Sized> {}

impl<T, A: ?Sized, B: ?Sized, C: ?Sized> Tri<A, B, C> for T {}

assert_impl_all!(u64: Tri<[&'static u8], dyn Tri<dyn Send, dyn Sync, str>, (u16, u16)>);
assert_impl_all!(u8: Send, Sync);
assert_impl_all!(&'static [u8]: IntoIterator<Item=&'static u8>);
assert_impl_all!(Range<u8>: Iterator<Item=u8>);
assert_impl_all!([u8]: Send, Sync, AsRef<[u8]>);
assert_impl_all!(str: Send, Sync, AsRef<[u8]>,);

assert_impl_any!((): Send, Sync);
assert_impl_any!((): Send, From<u8>);
assert_impl_any!((): From<u8>, From<u16>, Send);

#[allow(dead_code)]
struct Foo;

trait A {}
trait B {}
trait C {}

impl B for Foo {}

assert_impl_one!(Foo: A, B);
assert_impl_one!(Foo: B, A);
assert_impl_one!(Foo: B, C);
assert_impl_one!(Foo: C, B);
assert_impl_one!(Foo: A, B, C);
assert_impl_one!(Foo: B, C, A);
assert_impl_one!(Foo: C, A, B);