pub struct Empty;Expand description
Builder state: no layers added yet.
load is deliberately not callable in this
state — a load with zero layers is a compile-time type error, not a
runtime failure.
Trait Implementations§
Auto Trait Implementations§
impl Freeze for Empty
impl RefUnwindSafe for Empty
impl Send for Empty
impl Sync for Empty
impl Unpin for Empty
impl UnsafeUnpin for Empty
impl UnwindSafe for Empty
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more