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ExprNullifiedMode

rust_rel8::table_modes

Enum ExprNullifiedMode

pub enum ExprNullifiedMode {}

Expand description

Expr mode, but the value might be null, the columns are crate::Exprs.

Trait Implementations§

impl TableMode for ExprNullifiedMode

type T<'scope, V> = Expr<'scope, Option<V>>

A Gat, the resultant type may or may not incorporate V.

Auto Trait Implementations§

impl Freeze for ExprNullifiedMode

impl RefUnwindSafe for ExprNullifiedMode

impl Send for ExprNullifiedMode

impl Sync for ExprNullifiedMode

impl Unpin for ExprNullifiedMode

impl UnsafeUnpin for ExprNullifiedMode

impl UnwindSafe for ExprNullifiedMode

Blanket Implementations§

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

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Gets the TypeId of self. Read more

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where T: ?Sized,

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Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

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

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

fn in_current_span(self) -> Instrumented<Self>

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

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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type Output = T

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

type Error = Infallible

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

Performs the conversion.

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

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

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T> WithSubscriber for T

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

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