Struct Variant

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pub struct Variant<Metadata: Default> {
    pub label: &'static str,
    pub docs: Option<Vec<&'static str>>,
    pub metadata: Metadata,
    pub aliases: &'static [&'static str],
}
Expand description

Struct describing an enum variant

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§label: &'static str

String value used to describe the variant. The DescribedEnumString derive can be used to build this label using the to_string method

§docs: Option<Vec<&'static str>>

doc strings describing this variant

§metadata: Metadata

metadata describing this variant

§aliases: &'static [&'static str]

List of names this field may be known as

Trait Implementations§

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impl<Metadata: Clone + Default> Clone for Variant<Metadata>

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fn clone(&self) -> Variant<Metadata>

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<Metadata: Debug + Default> Debug for Variant<Metadata>

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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<Metadata: PartialEq + Default> PartialEq for Variant<Metadata>

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fn eq(&self, other: &Variant<Metadata>) -> 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<Metadata: Eq + Default> Eq for Variant<Metadata>

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impl<Metadata: Default> StructuralPartialEq for Variant<Metadata>

Auto Trait Implementations§

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impl<Metadata> Freeze for Variant<Metadata>
where Metadata: Freeze,

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impl<Metadata> RefUnwindSafe for Variant<Metadata>
where Metadata: RefUnwindSafe,

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impl<Metadata> Send for Variant<Metadata>
where Metadata: Send,

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impl<Metadata> Sync for Variant<Metadata>
where Metadata: Sync,

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impl<Metadata> Unpin for Variant<Metadata>
where Metadata: Unpin,

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impl<Metadata> UnwindSafe for Variant<Metadata>
where Metadata: 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> 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.