pub enum DoDefaultOutput {
DoDefault,
Override,
}Expand description
The return value of argument callbacks.
Decide if the argument callback should emit the default output or if it should emit no output at all.
Variants§
DoDefault
Emit the default output.
The user may still emit output before the default behavior.
Override
Do not emit the default output for this argument.
Auto Trait Implementations§
impl Freeze for DoDefaultOutput
impl RefUnwindSafe for DoDefaultOutput
impl Send for DoDefaultOutput
impl Sync for DoDefaultOutput
impl Unpin for DoDefaultOutput
impl UnwindSafe for DoDefaultOutput
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