#[non_exhaustive]
pub enum Value {
None,
RcBinary(Rc<Vec<u8>>),
ArcBinary(Arc<Vec<u8>>),
String(Rc<String>),
Int(i64),
Float(f64),
Bool(bool),
For(Rc<RefCell<ForState>>),
ForSort(Rc<RefCell<ForSortState>>),
}
Expand description
Simple value ( Binary, String, Int, Float, Bool ).
When stored in a database record, binary(n) and string(n) values are allocated (n+1) bytes (8<=n<=249). If the value is more than n bytes, the length and the first (n-8) bytes are stored inline, and the rest are coded.
Variants (Non-exhaustive)
This enum is marked as non-exhaustive
None
RcBinary(Rc<Vec<u8>>)
ArcBinary(Arc<Vec<u8>>)
String(Rc<String>)
Int(i64)
Float(f64)
Bool(bool)
For(Rc<RefCell<ForState>>)
ForSort(Rc<RefCell<ForSortState>>)
Implementations
Trait Implementations
sourceimpl Ord for Value
impl Ord for Value
Value comparison.
1.21.0 · sourcefn max(self, other: Self) -> Self
fn max(self, other: Self) -> Self
Compares and returns the maximum of two values. Read more
1.21.0 · sourcefn min(self, other: Self) -> Self
fn min(self, other: Self) -> Self
Compares and returns the minimum of two values. Read more
1.50.0 · sourcefn clamp(self, min: Self, max: Self) -> Self where
Self: PartialOrd<Self>,
fn clamp(self, min: Self, max: Self) -> Self where
Self: PartialOrd<Self>,
Restrict a value to a certain interval. Read more
sourceimpl PartialOrd<Value> for Value
impl PartialOrd<Value> for Value
sourcefn partial_cmp(&self, other: &Self) -> Option<Ordering>
fn partial_cmp(&self, other: &Self) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
1.0.0 · sourcefn lt(&self, other: &Rhs) -> bool
fn lt(&self, other: &Rhs) -> bool
This method tests less than (for self
and other
) and is used by the <
operator. Read more
1.0.0 · sourcefn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
impl Eq for Value
Auto Trait Implementations
impl !RefUnwindSafe for Value
impl !Send for Value
impl !Sync for Value
impl Unpin for Value
impl !UnwindSafe for Value
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more