use core::{mem, slice};
#[cfg(feature = "std")]
pub(crate) use std::collections::HashMap;
#[cfg(feature = "std")]
pub(crate) use std::collections::HashSet;

#[cfg(not(feature = "std"))]
pub(crate) use hashbrown::HashMap;
#[cfg(not(feature = "std"))]
pub(crate) use hashbrown::HashSet;

/// bytes_of converts a <T> to a byte slice
pub(crate) unsafe fn bytes_of<T>(val: &T) -> &[u8] {
    let ptr: *const _ = val;
    unsafe { slice::from_raw_parts(ptr.cast(), mem::size_of_val(val)) }
}