Enum scylla::frame::value::MaybeUnset[−][src]

pub enum MaybeUnset<V: Value> {
    Unset,
    Set(V),
}

Expand description

Enum providing a way to represent a value that might be unset

Variants

Trait Implementations

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Performs the conversion.

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

Enum scylla::frame::value::MaybeUnset[−][src]

Variants

Trait Implementations

Auto Trait Implementations

Blanket Implementations

Enum scylla::frame::value::MaybeUnset[−][src]

Variants

Tuple Fields of Set

Trait Implementations

impl<V: Value> Value for MaybeUnset<V>

fn serialize(&self, buf: &mut Vec<u8>) -> Result<(), ValueTooBig>

Auto Trait Implementations

impl<V> RefUnwindSafe for MaybeUnset<V> where V: RefUnwindSafe,

impl<V> Send for MaybeUnset<V> where V: Send,

impl<V> Sync for MaybeUnset<V> where V: Sync,

impl<V> Unpin for MaybeUnset<V> where V: Unpin,

impl<V> UnwindSafe for MaybeUnset<V> where V: UnwindSafe,

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for T where V: MultiLane<T>,

pub fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

impl<V> RefUnwindSafe for MaybeUnset<V> where
V: RefUnwindSafe,

impl<V> Send for MaybeUnset<V> where
V: Send,

impl<V> Sync for MaybeUnset<V> where
V: Sync,

impl<V> Unpin for MaybeUnset<V> where
V: Unpin,

impl<V> UnwindSafe for MaybeUnset<V> where
V: UnwindSafe,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,