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//@ check-pass
use std::mem;
/// Returns the size of a type
pub fn size_of<T>() -> usize {
TypeInfo::size_of(None::<T>)
}
/// Returns the size of the type that `val` points to
pub fn size_of_val<T>(val: &T) -> usize {
val.size_of_val()
}
pub trait TypeInfo: Sized {
fn size_of(_lame_type_hint: Option<Self>) -> usize;
fn size_of_val(&self) -> usize;
}
impl<T> TypeInfo for T {
/// The size of the type in bytes.
fn size_of(_lame_type_hint: Option<T>) -> usize {
mem::size_of::<T>()
}
/// Returns the size of the type of `self` in bytes.
fn size_of_val(&self) -> usize {
TypeInfo::size_of(None::<T>)
}
}
pub fn main() {}
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