pub struct ColumnMarker;Expand description
Marker struct for column constraint attributes.
Trait Implementations§
Source§impl Clone for ColumnMarker
impl Clone for ColumnMarker
Source§fn clone(&self) -> ColumnMarker
fn clone(&self) -> ColumnMarker
Returns a duplicate of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl Debug for ColumnMarker
impl Debug for ColumnMarker
impl Copy for ColumnMarker
Auto Trait Implementations§
impl Freeze for ColumnMarker
impl RefUnwindSafe for ColumnMarker
impl Send for ColumnMarker
impl Sync for ColumnMarker
impl Unpin for ColumnMarker
impl UnwindSafe for ColumnMarker
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