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JoeyEremondi/BorrowPlusJunk.rs

Last active September 22, 2016 22:48
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BorrowPlusJunk.rs
use std::boxed::Box;
use std::rc::Rc;
use std::borrow::Borrow;
use std::mem;
struct BP_Borrow;
struct BP_RC;
trait BorrowPlus<Borrowed, TRef> : Borrow<Borrowed>
{
}
fn asRc<Borrowed, BorrowType>(val : BorrowType) -> Rc<Borrowed>
where BorrowType : BorrowPlus<Borrowed, BP_RC>
{
unsafe { mem::transmute::<BorrowType, Rc<Borrowed> > (val)}
}
fn main(){}
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