RC_EXCHANGE_UNIQUE
uint
RC_IMMORTAL
uint
RC_MANAGED_UNIQUE
uint
BoxHeaderRepr
pub struct BoxHeaderRepr {
ref_count: uint,
type_desc: *TyDesc,
prev: *BoxRepr,
next: *BoxRepr,
}
BoxRepr
pub struct BoxRepr {
header: BoxHeaderRepr,
data: u8,
}