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use core::marker::PhantomData;
use core::mem;
#[derive(Default, Debug, Copy, Clone)]
pub struct SizeOf<T> {
_phantom: PhantomData<T>,
}
impl<T> SizeOf<T> {
#[inline]
pub fn new() -> SizeOf<T> {
SizeOf {
_phantom: PhantomData,
}
}
}
impl<T> From<SizeOf<T>> for usize {
#[inline]
fn from(_: SizeOf<T>) -> usize {
mem::size_of::<T>()
}
}
#[derive(Default, Debug, Copy, Clone)]
pub struct AlignOf<T> {
_phantom: PhantomData<T>,
}
impl<T> AlignOf<T> {
#[inline]
pub fn new() -> AlignOf<T> {
AlignOf {
_phantom: PhantomData,
}
}
}
impl<T> From<AlignOf<T>> for usize {
#[inline]
fn from(_: AlignOf<T>) -> usize {
mem::align_of::<T>()
}
}