enum MaybeCustomFn {
Custom(Box<Expr>),
Default,
}
Variants§
Trait Implementations§
Auto Trait Implementations§
impl Freeze for MaybeCustomFn
impl RefUnwindSafe for MaybeCustomFn
impl !Send for MaybeCustomFn
impl !Sync for MaybeCustomFn
impl Unpin for MaybeCustomFn
impl UnwindSafe for MaybeCustomFn
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