// Copyright 2013 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // pretty-expanded FIXME #23616 #![feature(core)] use std::intrinsics; /// Returns the size of a type pub fn size_of() -> usize { TypeInfo::size_of(None::) } /// Returns the size of the type that `val` points to pub fn size_of_val(val: &T) -> usize { val.size_of_val() } pub trait TypeInfo { fn size_of(_lame_type_hint: Option) -> usize; fn size_of_val(&self) -> usize; } impl TypeInfo for T { /// The size of the type in bytes. fn size_of(_lame_type_hint: Option) -> usize { unsafe { intrinsics::size_of::() } } /// Returns the size of the type of `self` in bytes. fn size_of_val(&self) -> usize { TypeInfo::size_of(None::) } } pub fn main() {}