Enum mucow::MuCow

pub enum MuCow<'a, B: ?Sized + 'a> where
    B: ToOwned,  {
    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.

Methods

impl<'a, B: ?Sized> MuCow<'a, B> where
    B: ToOwned, 

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, B: ?Sized> Borrow<B> for MuCow<'a, B> where
    B: ToOwned,
    B::Owned: 'a, 

fn borrow(&self) -> &B

Immutably borrows from an owned value.

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

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

Mutably borrows from an owned value.

impl<'a, B: ?Sized> Into<Cow<'a, B>> for MuCow<'a, B> where
    B: ToOwned, 

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

Performs the conversion.

impl<'a, B: ?Sized> Clone for MuCow<'a, B> where
    B: ToOwned, 

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

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a, B: ?Sized> Deref for MuCow<'a, B> where
    B: ToOwned, 

type Target = B

The resulting type after dereferencing

fn deref(&self) -> &B

The method called to dereference a value

impl<'a, B: ?Sized> DerefMut for MuCow<'a, B> where
    B: ToOwned,
    B::Owned: BorrowMut<B>, 

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

The method called to mutably dereference a value

impl<'a, B: ?Sized> Eq for MuCow<'a, B> where
    B: Eq + ToOwned, 

impl<'a, B: ?Sized> Ord for MuCow<'a, B> where
    B: Ord + ToOwned, 

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

This method returns an Ordering between self and other.

impl<'a, 'b, B: ?Sized, C: ?Sized> PartialEq<MuCow<'b, C>> for MuCow<'a, B> where
    B: PartialEq<C> + ToOwned,
    C: ToOwned, 

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl<'a, B: ?Sized> PartialOrd for MuCow<'a, B> where
    B: PartialOrd + ToOwned, 

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

This method tests less than (for self and other) and is used by the < operator.

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

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

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

This method tests greater than (for self and other) and is used by the > operator.

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

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

impl<'a, B: ?Sized> Debug for MuCow<'a, B> where
    B: Debug + ToOwned,
    <B as ToOwned>::Owned: Debug, 

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

Formats the value using the given formatter.

impl<'a, B: ?Sized> Display for MuCow<'a, B> where
    B: Display + ToOwned,
    <B as ToOwned>::Owned: Display, 

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

Formats the value using the given formatter.

impl<'a, B: ?Sized> Default for MuCow<'a, B> where
    B: ToOwned,
    <B as ToOwned>::Owned: Default, 

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

Returns the "default value" for a type.

impl<'a, B: ?Sized> Hash for MuCow<'a, B> where
    B: Hash + ToOwned, 

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, 

Feeds a slice of this type into the given [Hasher].

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

fn as_ref(&self) -> &T

Performs the conversion.