#[repr(C)]pub struct Nullability(pub i16);
Expand description
Used by SQLDescribeCol
.
Tuple Fields§
§0: i16
Implementations§
Source§impl Nullability
impl Nullability
pub const UNKNOWN: Nullability
pub const NULLABLE: Nullability
pub const NO_NULLS: Nullability
Trait Implementations§
Source§impl Clone for Nullability
impl Clone for Nullability
Source§fn clone(&self) -> Nullability
fn clone(&self) -> Nullability
Returns a copy 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 Nullability
impl Debug for Nullability
Source§impl PartialEq for Nullability
impl PartialEq for Nullability
impl Copy for Nullability
impl Eq for Nullability
impl StructuralPartialEq for Nullability
Auto Trait Implementations§
impl Freeze for Nullability
impl RefUnwindSafe for Nullability
impl Send for Nullability
impl Sync for Nullability
impl Unpin for Nullability
impl UnwindSafe for Nullability
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