Enum MuCow 

pub enum MuCow<'a, B>
where
    B: ToOwned + ?Sized + 'a,
{
    Borrowed(&'a mut B),
    Owned(<B as ToOwned>::Owned),
}

A clone-on-consume smart pointer.

Variants

Borrowed(&'a mut B)

Borrowed data.

Owned(<B as ToOwned>::Owned)

Owned data.

Implementations

impl<'a, B> MuCow<'a, B>

where B: ToOwned + ?Sized,

pub fn into_owned(self) -> <B as ToOwned>::Owned

Extracts the owned data.

Clones the data if it is not already owned.

Trait Implementations

impl<'a, T: ?Sized + ToOwned> AsRef<T> for MuCow<'a, T>

fn as_ref(&self) -> &T

Converts this type into a shared reference of the (usually inferred) input type.

impl<'a, B> Borrow<B> for MuCow<'a, B>

where B: ToOwned + ?Sized, B::Owned: 'a,

fn borrow(&self) -> &B

Immutably borrows from an owned value.

impl<'a, B> BorrowMut<B> for MuCow<'a, B>

where B: ToOwned + ?Sized, B::Owned: 'a + BorrowMut<B>,

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

Mutably borrows from an owned value.

impl<'a, B> Clone for MuCow<'a, B>

where B: ToOwned + ?Sized,

fn clone(&self) -> MuCow<'a, B>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a, B> Debug for MuCow<'a, B>

where B: Debug + ToOwned + ?Sized, <B as ToOwned>::Owned: Debug,

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

Formats the value using the given formatter.

impl<'a, B> Default for MuCow<'a, B>

where B: ToOwned + ?Sized, <B as ToOwned>::Owned: Default,

fn default() -> MuCow<'a, B>

Returns the “default value” for a type.

impl<'a, B> Deref for MuCow<'a, B>

where B: ToOwned + ?Sized,

type Target = B

The resulting type after dereferencing.

fn deref(&self) -> &B

Dereferences the value.

impl<'a, B> DerefMut for MuCow<'a, B>

where B: ToOwned + ?Sized, B::Owned: BorrowMut<B>,

fn deref_mut(&mut self) -> &mut B

Mutably dereferences the value.

impl<'a, B> Display for MuCow<'a, B>

where B: Display + ToOwned + ?Sized, <B as ToOwned>::Owned: Display,

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

Formats the value using the given formatter.

impl<'a, B> Hash for MuCow<'a, B>

where B: Hash + ToOwned + ?Sized,

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

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<'a, B> Into<Cow<'a, B>> for MuCow<'a, B>

where B: ToOwned + ?Sized,

fn into(self) -> Cow<'a, B>

Converts this type into the (usually inferred) input type.

impl<'a, B> Ord for MuCow<'a, B>

where B: Ord + ToOwned + ?Sized,

fn cmp(&self, other: &MuCow<'a, B>) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl<'a, 'b, B, C> PartialEq<MuCow<'b, C>> for MuCow<'a, B>

where B: PartialEq<C> + ToOwned + ?Sized, C: ToOwned + ?Sized,

fn eq(&self, other: &MuCow<'b, C>) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'a, B> PartialOrd for MuCow<'a, B>

where B: PartialOrd + ToOwned + ?Sized,

fn partial_cmp(&self, other: &MuCow<'a, B>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl<'a, B> Eq for MuCow<'a, B>

where B: Eq + ToOwned + ?Sized,