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#![warn(clippy::unsound_collection_transmute)]
use std::collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, VecDeque};
use std::mem::{transmute, MaybeUninit};
fn main() {
unsafe {
// wrong size
let _ = transmute::<_, Vec<u32>>(vec![0u8]);
// wrong layout
let _ = transmute::<_, Vec<[u8; 4]>>(vec![1234u32]);
// wrong size
let _ = transmute::<_, VecDeque<u32>>(VecDeque::<u8>::new());
// wrong layout
let _ = transmute::<_, VecDeque<u32>>(VecDeque::<[u8; 4]>::new());
// wrong size
let _ = transmute::<_, BinaryHeap<u32>>(BinaryHeap::<u8>::new());
// wrong layout
let _ = transmute::<_, BinaryHeap<u32>>(BinaryHeap::<[u8; 4]>::new());
// wrong size
let _ = transmute::<_, BTreeSet<u32>>(BTreeSet::<u8>::new());
// wrong layout
let _ = transmute::<_, BTreeSet<u32>>(BTreeSet::<[u8; 4]>::new());
// wrong size
let _ = transmute::<_, HashSet<u32>>(HashSet::<u8>::new());
// wrong layout
let _ = transmute::<_, HashSet<u32>>(HashSet::<[u8; 4]>::new());
// wrong size
let _ = transmute::<_, BTreeMap<u8, u32>>(BTreeMap::<u8, u8>::new());
let _ = transmute::<_, BTreeMap<u8, u32>>(BTreeMap::<u32, u32>::new());
// wrong layout
let _ = transmute::<_, BTreeMap<u8, u32>>(BTreeMap::<u8, [u8; 4]>::new());
let _ = transmute::<_, BTreeMap<u32, u32>>(BTreeMap::<[u8; 4], u32>::new());
// wrong size
let _ = transmute::<_, HashMap<u8, u32>>(HashMap::<u8, u8>::new());
let _ = transmute::<_, HashMap<u8, u32>>(HashMap::<u32, u32>::new());
// wrong layout
let _ = transmute::<_, HashMap<u8, u32>>(HashMap::<u8, [u8; 4]>::new());
let _ = transmute::<_, HashMap<u32, u32>>(HashMap::<[u8; 4], u32>::new());
let _ = transmute::<_, Vec<u8>>(Vec::<MaybeUninit<u8>>::new());
let _ = transmute::<_, Vec<*mut u32>>(Vec::<Box<u32>>::new());
}
}
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