Struct FindUnique

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pub struct FindUnique<'a, M: 'static, PK: 'static> { /* private fields */ }

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pub async fn run(self, ctx: &CoolContext) -> Result<Option<M>, CoolError>
where for<'r> M: Send + Unpin + FromRow<'r, PgRow>, PK: Send + Type<Postgres> + for<'q> Encode<'q, Postgres>,

Trait Implementations§

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impl<'a, M: Clone + 'static, PK: Clone + 'static> Clone for FindUnique<'a, M, PK>

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fn clone(&self) -> FindUnique<'a, M, PK>

Returns a duplicate of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<'a, M: Debug + 'static, PK: Debug + 'static> Debug for FindUnique<'a, M, PK>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'a, M, PK> Freeze for FindUnique<'a, M, PK>
where PK: Freeze,

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impl<'a, M, PK> !RefUnwindSafe for FindUnique<'a, M, PK>

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impl<'a, M, PK> Send for FindUnique<'a, M, PK>
where PK: Send,

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impl<'a, M, PK> Sync for FindUnique<'a, M, PK>
where PK: Sync,

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impl<'a, M, PK> Unpin for FindUnique<'a, M, PK>
where PK: Unpin,

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impl<'a, M, PK> UnsafeUnpin for FindUnique<'a, M, PK>
where PK: UnsafeUnpin,

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impl<'a, M, PK> !UnwindSafe for FindUnique<'a, M, PK>

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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

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

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fn in_current_span(self) -> Instrumented<Self>

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

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

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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.

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impl<T> IntoEither for T

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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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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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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