Either

Enum Either 

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pub enum Either<A, B> {
    Left(A),
    Right(B),
}
Expand description

Combines two different Presentables into a single type.

This is useful when conditionally choosing between two distinct Presentable types:

use peace_fmt::{Either, Presentable};

let cond = true;

let presentable = if cond {
    Either::Left(Bold::new(String::from("a")));
} else {
    Either::Right(CodeInline::new("b".into()));
};

presentln!(output, &presentable);

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Left(A)

First branch of the type.

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Right(B)

Second branch of the type.

Trait Implementations§

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impl<A: Clone, B: Clone> Clone for Either<A, B>

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fn clone(&self) -> Either<A, B>

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: Debug, B: Debug> Debug for Either<A, B>

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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<'de, A, B> Deserialize<'de> for Either<A, B>
where A: Deserialize<'de>, B: Deserialize<'de>,

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<A: PartialEq, B: PartialEq> PartialEq for Either<A, B>

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fn eq(&self, other: &Either<A, B>) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<A, B> Presentable for Either<A, B>
where A: Presentable, B: Presentable,

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fn present<'output, 'life0, 'life1, 'async_trait, PR>( &'life0 self, presenter: &'life1 mut PR, ) -> Pin<Box<dyn Future<Output = Result<(), PR::Error>> + 'async_trait>>
where PR: Presenter<'output> + 'async_trait, Self: 'async_trait, 'output: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Presents this data type to the user.
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impl<A, B> Serialize for Either<A, B>
where A: Serialize, B: Serialize,

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl<A: Eq, B: Eq> Eq for Either<A, B>

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impl<A, B> StructuralPartialEq for Either<A, B>

Auto Trait Implementations§

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impl<A, B> Freeze for Either<A, B>
where A: Freeze, B: Freeze,

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impl<A, B> RefUnwindSafe for Either<A, B>

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impl<A, B> Send for Either<A, B>
where A: Send, B: Send,

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impl<A, B> Sync for Either<A, B>
where A: Sync, B: Sync,

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impl<A, B> Unpin for Either<A, B>
where A: Unpin, B: Unpin,

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impl<A, B> UnwindSafe for Either<A, B>
where A: UnwindSafe, B: UnwindSafe,

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<U> 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> PresentableExt for T
where T: Presentable,

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fn left_presentable<B>(self) -> Either<T, B>
where B: Presentable,

Wraps this Presentable in an Either, making it the left-hand variant of that Either. Read more
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fn right_presentable<A>(self) -> Either<A, T>
where A: Presentable,

Wraps this Presentable in an Either, making it the right-hand variant of that Either. Read more
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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<U> 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<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,