Struct serde_with::formats::PreferOne

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pub struct PreferOne;

Expand description

Use in combination with OneOrMany. Emit single element for lists of size 1.

Trait Implementations

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impl Clone for PreferOne

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fn clone(&self) -> PreferOne

Returns a copy 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 Debug for PreferOne

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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 Default for PreferOne

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fn default() -> PreferOne

Returns the “default value” for a type. Read more

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impl Copy for PreferOne

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impl Format for PreferOne

Use in combination with OneOrMany. Emit single element for lists of size 1.

Auto Trait Implementations

impl RefUnwindSafe for PreferOne

impl Send for PreferOne

impl Sync for PreferOne

impl Unpin for PreferOne

impl UnwindSafe for PreferOne

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,

const: unstable · source

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,

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 T where
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 T where
T: Clone,

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>,

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 T where
U: TryFrom<T>,

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 serde_with::formats::PreferOne

Trait Implementations

impl Clone for PreferOne

fn clone(&self) -> PreferOne

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

impl Debug for PreferOne

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

impl Default for PreferOne

fn default() -> PreferOne

impl Copy for PreferOne

impl Format for PreferOne

Auto Trait Implementations

impl RefUnwindSafe for PreferOne

impl Send for PreferOne

impl Sync for PreferOne

impl Unpin for PreferOne

impl UnwindSafe for PreferOne

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> 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>

Struct serde_with::formats::PreferOne

Trait Implementations

impl Clone for PreferOne

fn clone(&self) -> PreferOne

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

impl Debug for PreferOne

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

impl Default for PreferOne

fn default() -> PreferOne

impl Copy for PreferOne

impl Format for PreferOne

Auto Trait Implementations

impl RefUnwindSafe for PreferOne

impl Send for PreferOne

impl Sync for PreferOne

impl Unpin for PreferOne

impl UnwindSafe for PreferOne

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> 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> 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> 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>,