Struct r2d2::NopConnectionCustomizer

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pub struct NopConnectionCustomizer;

Expand description

A CustomizeConnection which does nothing.

Trait Implementations§

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impl Clone for NopConnectionCustomizer

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fn clone(&self) -> NopConnectionCustomizer

Returns a copy of the value. Read more

1.0.0 · source§

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

Performs copy-assignment from source. Read more

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impl<C, E> CustomizeConnection<C, E> for NopConnectionCustomizer

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fn on_acquire(&self, conn: &mut C) -> Result<(), E>

Called with connections immediately after they are returned from ManageConnection::connect. Read more

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fn on_release(&self, conn: C)

Called with connections when they are removed from the pool. Read more

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impl Debug for NopConnectionCustomizer

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

Formats the value using the given formatter. Read more

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impl Copy for NopConnectionCustomizer

Auto Trait Implementations§

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impl UnwindSafe for NopConnectionCustomizer

Blanket Implementations§

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impl<T> Any for Twhere
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 Twhere
T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source§

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source§

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> ToOwned for Twhere
T: Clone,

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type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

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type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source§

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

Performs the conversion.

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

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type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source§

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

Performs the conversion.

Struct r2d2::NopConnectionCustomizer

Trait Implementations§

impl Clone for NopConnectionCustomizer

fn clone(&self) -> NopConnectionCustomizer

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

impl<C, E> CustomizeConnection<C, E> for NopConnectionCustomizer

fn on_acquire(&self, conn: &mut C) -> Result<(), E>

fn on_release(&self, conn: C)

impl Debug for NopConnectionCustomizer

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

impl Copy for NopConnectionCustomizer

Auto Trait Implementations§

impl RefUnwindSafe for NopConnectionCustomizer

impl Send for NopConnectionCustomizer

impl Sync for NopConnectionCustomizer

impl Unpin for NopConnectionCustomizer

impl UnwindSafe for NopConnectionCustomizer

Blanket Implementations§

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<T> ToOwned for Twhere
T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

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

type Error = Infallible

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

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

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

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

Struct r2d2::NopConnectionCustomizer

Trait Implementations§

impl Clone for NopConnectionCustomizer

fn clone(&self) -> NopConnectionCustomizer

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

impl<C, E> CustomizeConnection<C, E> for NopConnectionCustomizer

fn on_acquire(&self, conn: &mut C) -> Result<(), E>

fn on_release(&self, conn: C)

impl Debug for NopConnectionCustomizer

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

impl Copy for NopConnectionCustomizer

Auto Trait Implementations§

impl RefUnwindSafe for NopConnectionCustomizer

impl Send for NopConnectionCustomizer

impl Sync for NopConnectionCustomizer

impl Unpin for NopConnectionCustomizer

impl UnwindSafe for NopConnectionCustomizer

Blanket Implementations§

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

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

type Error = Infallible

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

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

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

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

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

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

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

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

impl<T> ToOwned for Twhere
T: Clone,

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

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