Enum FieldExistenceCheck

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pub enum FieldExistenceCheck {
    FNX,
    FXX,
}

Expand description

Helper enum that is used to define field existence checks

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FNX

FNX – Only set the fields if all do not already exist.

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FXX

FXX – Only set the fields if all already exist.

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impl Clone for FieldExistenceCheck

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fn clone(&self) -> FieldExistenceCheck

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 Copy for FieldExistenceCheck

Auto Trait Implementations§

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impl UnwindSafe for FieldExistenceCheck

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, 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> ToOwned for T
where 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 T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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type Error = >::Error

The type returned in the event of a conversion error.

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

Performs the conversion.

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Enum FieldExistenceCheck

Variants§

FNX

FXX

Trait Implementations§

impl Clone for FieldExistenceCheck

fn clone(&self) -> FieldExistenceCheck

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

impl Copy for FieldExistenceCheck

Auto Trait Implementations§

impl Freeze for FieldExistenceCheck

impl RefUnwindSafe for FieldExistenceCheck

impl Send for FieldExistenceCheck

impl Sync for FieldExistenceCheck

impl Unpin for FieldExistenceCheck

impl UnwindSafe for FieldExistenceCheck

Blanket Implementations§

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

type Owned = T

fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

impl<T> ErasedDestructor for T
where T: 'static,

Enum FieldExistenceCheckCopy item path

Variants§

FNX

FXX

Trait Implementations§

impl Clone for FieldExistenceCheck

fn clone(&self) -> FieldExistenceCheck

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

impl Copy for FieldExistenceCheck

Auto Trait Implementations§

impl Freeze for FieldExistenceCheck

impl RefUnwindSafe for FieldExistenceCheck

impl Send for FieldExistenceCheck

impl Sync for FieldExistenceCheck

impl Unpin for FieldExistenceCheck

impl UnwindSafe for FieldExistenceCheck

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> CloneToUninit for Twhere T: Clone,

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

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> ErasedDestructor for Twhere T: 'static,

Enum FieldExistenceCheck

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> CloneToUninit for T
where T: Clone,

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

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

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

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

impl<T> ErasedDestructor for T
where T: 'static,