189     Borrowed(#[stable(feature = "rust1", since = "1.0.0")] &'a B),  enumerator
200             Borrowed(b) => Borrowed(b),  in clone()
235             Borrowed(_) => true,  in is_borrowed()
280             Borrowed(borrowed) => {  in to_mut()
283                     Borrowed(..) => unreachable!(),  in to_mut()
328             Borrowed(borrowed) => borrowed.to_owned(),  in into_owned()
344             Borrowed(borrowed) => borrowed,  in deref()
394             Borrowed(ref b) => fmt::Debug::fmt(b, f),  in fmt()
407             Borrowed(ref b) => fmt::Display::fmt(b, f),  in fmt()
471             *self = Cow::Borrowed(rhs)  in add_assign()
473             if let Cow::Borrowed(lhs) = *self {  in add_assign()
490             if let Cow::Borrowed(lhs) = *self {  in add_assign()