Enum ref_kind::RefKind

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pub enum RefKind<'a, T>where
    T: ?Sized + 'a,{
    Ref(&'a T),
    Mut(&'a mut T),
}
Expand description

Provides different kinds of reference: immutable or mutable one.

Variants§

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Ref(&'a T)

Immutable kind of reference.

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Mut(&'a mut T)

Mutable kind of reference.

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impl<'a, T> RefKind<'a, T>where T: ?Sized + 'a,

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pub fn is_ref(&self) -> bool

Checks if RefKind contains immutable reference.

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pub fn is_mut(&self) -> bool

Checks if RefKind contains mutable reference.

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pub fn get_ref(&self) -> &T

Returns an immutable reference from the RefKind.

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pub fn get_mut(&mut self) -> Option<&mut T>

Returns Some with a mutable reference from the struct or None if contained reference is immutable.

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pub fn into_ref(self) -> &'a T

Converts RefKind into immutable reference with the lifetime of the owner, consuming the self value.

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pub fn into_mut(self) -> Option<&'a mut T>

Returns Some with a mutable reference with the lifetime of the owner or None if contained reference is immutable, consuming the self value.

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pub fn unwrap_ref(self) -> &'a T

Returns the contained Ref value, consuming the self value.

Panics

Panics if the value is a Mut.

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pub fn unwrap_mut(self) -> &'a mut T

Returns the contained Mut value, consuming the self value.

Panics

Panics if the value is a Ref.

Trait Implementations§

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impl<'a, T, R> AsRef<R> for RefKind<'a, T>where T: ?Sized + 'a, R: ?Sized, <RefKind<'a, T> as Deref>::Target: AsRef<R>,

As suggested in this standard library section.

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fn as_ref(&self) -> &R

Converts this type into a shared reference of the (usually inferred) input type.
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impl<'a, T> Debug for RefKind<'a, T>where T: ?Sized + 'a + Debug,

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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<'a, T> Deref for RefKind<'a, T>where T: ?Sized + 'a,

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<'a, T> From<&'a T> for RefKind<'a, T>where T: ?Sized + 'a,

Convert immutable reference into RefKind.

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fn from(shared: &'a T) -> Self

Converts to Ref from the immutable reference.

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impl<'a, T> From<&'a mut T> for RefKind<'a, T>where T: ?Sized + 'a,

Convert mutable reference into RefKind.

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fn from(unique: &'a mut T) -> Self

Converts to Mut from the mutable reference.

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impl<'a, T> Hash for RefKind<'a, T>where T: ?Sized + 'a + Hash,

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<'a, T> Ord for RefKind<'a, T>where T: ?Sized + 'a + Ord,

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fn cmp(&self, other: &RefKind<'a, T>) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Selfwhere Self: Sized + PartialOrd<Self>,

Restrict a value to a certain interval. Read more
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impl<'a, T> PartialEq<RefKind<'a, T>> for RefKind<'a, T>where T: ?Sized + 'a + PartialEq,

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fn eq(&self, other: &RefKind<'a, T>) -> bool

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<'a, T> PartialOrd<RefKind<'a, T>> for RefKind<'a, T>where T: ?Sized + 'a + PartialOrd,

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fn partial_cmp(&self, other: &RefKind<'a, T>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl<'a, T> Eq for RefKind<'a, T>where T: ?Sized + 'a + Eq,

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impl<'a, T> StructuralEq for RefKind<'a, T>where T: ?Sized + 'a,

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impl<'a, T> StructuralPartialEq for RefKind<'a, T>where T: ?Sized + 'a,

Auto Trait Implementations§

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impl<'a, T: ?Sized> RefUnwindSafe for RefKind<'a, T>where T: RefUnwindSafe,

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impl<'a, T: ?Sized> Send for RefKind<'a, T>where T: Send + Sync,

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impl<'a, T: ?Sized> Sync for RefKind<'a, T>where T: Sync,

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impl<'a, T: ?Sized> Unpin for RefKind<'a, T>

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impl<'a, T> !UnwindSafe for RefKind<'a, T>

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,

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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 Twhere 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<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. 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 Twhere 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, U> TryFrom<U> for Twhere 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 Twhere 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.