pub struct Count<'a> { /* private fields */ }
Expand description
Returns the number of rows that matches a specified criteria.
Trait Implementations§
impl<'a> StructuralPartialEq for Count<'a>
Auto Trait Implementations§
impl<'a> Freeze for Count<'a>
impl<'a> RefUnwindSafe for Count<'a>
impl<'a> Send for Count<'a>
impl<'a> Sync for Count<'a>
impl<'a> Unpin for Count<'a>
impl<'a> UnwindSafe for Count<'a>
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