Enum as_is::Is

pub enum Is<'a, T: ?Sized> where
    T: ToOwned,  {
    Owned(T::Owned),
    Borrowed(&'a T),
    MutBorrowed(&'a mut T),
}

Represents an owned, an immutably borrowed, or a mutably borrowed data.

Variants

Owned(T::Owned)

Owned data.

Borrowed(&'a T)

Immutably borrowed data.

MutBorrowed(&'a mut T)

Mutably borrowed data.

Trait Implementations

impl<T: ?Sized, U, O, '_> Add<U> for Is<'_, T> where
    T: ToOwned,
    T::Owned: Add<Owned<U>, Output = O> + Add<&'a U::Is, Output = O>,
    &'a T: Add<Owned<U>, Output = O> + Add<&'b U::Is, Output = O>,
    U: AsIs, 

type Output = O

The resulting type after applying the + operator.

fn add(self, rhs: U) -> Self::Output

Performs the + operation.

impl<T: ?Sized, '_> AsIs for Is<'_, T> where
    T: ToOwned, 

type Is = T

The base type associated with both owned and borrowed data.

fn as_is<'a>(self) -> Is<'a, T> where
    Self: 'a, 

Converts self into an Is<'a, Self::Is>.

fn into_is_cow<'a>(self) -> IsCow<'a, Self::Is> where
    Self: 'a, 

Converts self into an IsCow<'a, Self::Is>.

fn into_is_mut<'a>(self) -> IsMut<'a, Self::Is> where
    Self: 'a,
    Owned<Self>: BorrowMut<Self::Is>, 

Converts self into an IsMut<'a, Self::Is>.

fn into_owned(self) -> Owned<Self>

Converts self into an owned data.

fn into_cow<'a>(self) -> Cow<'a, Self::Is> where
    Self: 'a, 

Converts self into a Cow<'a, Self::Is>.

impl<T: ?Sized, U: ?Sized, '_> AsRef<U> for Is<'_, T> where
    T: ToOwned + AsRef<U>, 

fn as_ref(&self) -> &U

Performs the conversion.

impl<T: ?Sized, '_> Binary for Is<'_, T> where
    T: ToOwned + Binary, 

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

Formats the value using the given formatter.

impl<T: ?Sized, U, O, '_> BitAnd<U> for Is<'_, T> where
    T: ToOwned,
    T::Owned: BitAnd<Owned<U>, Output = O> + BitAnd<&'a U::Is, Output = O>,
    &'a T: BitAnd<Owned<U>, Output = O> + BitAnd<&'b U::Is, Output = O>,
    U: AsIs, 

type Output = O

The resulting type after applying the & operator.

fn bitand(self, rhs: U) -> Self::Output

Performs the & operation.

impl<T: ?Sized, U, O, '_> BitOr<U> for Is<'_, T> where
    T: ToOwned,
    T::Owned: BitOr<Owned<U>, Output = O> + BitOr<&'a U::Is, Output = O>,
    &'a T: BitOr<Owned<U>, Output = O> + BitOr<&'b U::Is, Output = O>,
    U: AsIs, 

type Output = O

The resulting type after applying the | operator.

fn bitor(self, rhs: U) -> Self::Output

Performs the | operation.

impl<T: ?Sized, U, O, '_> BitXor<U> for Is<'_, T> where
    T: ToOwned,
    T::Owned: BitXor<Owned<U>, Output = O> + BitXor<&'a U::Is, Output = O>,
    &'a T: BitXor<Owned<U>, Output = O> + BitXor<&'b U::Is, Output = O>,
    U: AsIs, 

type Output = O

The resulting type after applying the ^ operator.

fn bitxor(self, rhs: U) -> Self::Output

Performs the ^ operation.

impl<T: ?Sized, '_> Borrow<T> for Is<'_, T> where
    T: ToOwned, 

fn borrow(&self) -> &T

Immutably borrows from an owned value.

impl<T: ?Sized, '_> Clone for Is<'_, T> where
    T: ToOwned,
    T::Owned: Clone, 

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a, T: Debug + ?Sized> Debug for Is<'a, T> where
    T: ToOwned,
    T::Owned: Debug, 

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

Formats the value using the given formatter.

impl<T: ?Sized, '_> Default for Is<'_, T> where
    T: ToOwned,
    T::Owned: Default, 

fn default() -> Self

Creates an owned Is<'a, T> with the default value for T::Owned.

impl<T: ?Sized, '_> Deref for Is<'_, T> where
    T: ToOwned, 

type Target = T

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl<T: ?Sized, '_> Display for Is<'_, T> where
    T: ToOwned + Display, 

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

Formats the value using the given formatter.

impl<T: ?Sized, U, O, '_> Div<U> for Is<'_, T> where
    T: ToOwned,
    T::Owned: Div<Owned<U>, Output = O> + Div<&'a U::Is, Output = O>,
    &'a T: Div<Owned<U>, Output = O> + Div<&'b U::Is, Output = O>,
    U: AsIs, 

type Output = O

The resulting type after applying the / operator.

fn div(self, rhs: U) -> Self::Output

Performs the / operation.

impl<T: ?Sized, '_> Eq for Is<'_, T> where
    T: ToOwned + Eq, 

impl<T: ?Sized, '_> Hash for Is<'_, T> where
    T: ToOwned + Hash, 

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<T: ?Sized, '_> LowerExp for Is<'_, T> where
    T: ToOwned + LowerExp, 

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

Formats the value using the given formatter.

impl<T: ?Sized, '_> LowerHex for Is<'_, T> where
    T: ToOwned + LowerHex, 

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

Formats the value using the given formatter.

impl<T: ?Sized, U, O, '_> Mul<U> for Is<'_, T> where
    T: ToOwned,
    T::Owned: Mul<Owned<U>, Output = O> + Mul<&'a U::Is, Output = O>,
    &'a T: Mul<Owned<U>, Output = O> + Mul<&'b U::Is, Output = O>,
    U: AsIs, 

type Output = O

The resulting type after applying the * operator.

fn mul(self, rhs: U) -> Self::Output

Performs the * operation.

impl<T: ?Sized, O, '_> Neg for Is<'_, T> where
    T: ToOwned,
    T::Owned: Neg<Output = O>,
    &'a T: Neg<Output = O>, 

type Output = O

The resulting type after applying the - operator.

fn neg(self) -> Self::Output

Performs the unary - operation.

impl<T: ?Sized, O, '_> Not for Is<'_, T> where
    T: ToOwned,
    T::Owned: Not<Output = O>,
    &'a T: Not<Output = O>, 

type Output = O

The resulting type after applying the ! operator.

fn not(self) -> Self::Output

Performs the unary ! operation.

impl<T: ?Sized, '_> Octal for Is<'_, T> where
    T: ToOwned + Octal, 

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

Formats the value using the given formatter.

impl<T: ?Sized, '_> Ord for Is<'_, T> where
    T: ToOwned + Ord, 

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other.

#[must_use]fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]fn clamp(self, min: Self, max: Self) -> Self

🔬 This is a nightly-only experimental API. (clamp)

Restrict a value to a certain interval.

impl<T: ?Sized, U: ?Sized, '_, '_> PartialEq<Is<'_, U>> for Is<'_, T> where
    T: ToOwned + PartialEq<U>,
    U: ToOwned, 

fn eq(&self, other: &Is<'_, U>) -> bool

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

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<T: ?Sized, U: ?Sized, '_, '_> PartialEq<Is<'_, U>> for IsCow<'_, T> where
    T: ToOwned + PartialEq<U>,
    U: ToOwned, 

fn eq(&self, other: &Is<'_, U>) -> bool

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

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<T: ?Sized, U: ?Sized, '_, '_> PartialEq<Is<'_, U>> for IsMut<'_, T> where
    T: ToOwned + PartialEq<U>,
    T::Owned: BorrowMut<T>,
    U: ToOwned, 

fn eq(&self, other: &Is<'_, U>) -> bool

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

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<T: ?Sized, U: ?Sized, '_, '_> PartialEq<IsCow<'_, U>> for Is<'_, T> where
    T: ToOwned + PartialEq<U>,
    U: ToOwned, 

fn eq(&self, other: &IsCow<'_, U>) -> bool

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

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<T: ?Sized, U: ?Sized, '_, '_> PartialEq<IsMut<'_, U>> for Is<'_, T> where
    T: ToOwned + PartialEq<U>,
    U: ToOwned,
    U::Owned: BorrowMut<U>, 

fn eq(&self, other: &IsMut<'_, U>) -> bool

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

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<T: ?Sized, U: ?Sized, '_, '_> PartialOrd<Is<'_, U>> for Is<'_, T> where
    T: ToOwned + PartialOrd<U>,
    U: ToOwned, 

fn partial_cmp(&self, other: &Is<'_, U>) -> Option<Ordering>

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

#[must_use]fn lt(&self, other: &Rhs) -> bool

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

#[must_use]fn le(&self, other: &Rhs) -> bool

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

#[must_use]fn gt(&self, other: &Rhs) -> bool

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

#[must_use]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<T: ?Sized, U: ?Sized, '_, '_> PartialOrd<Is<'_, U>> for IsCow<'_, T> where
    T: ToOwned + PartialOrd<U>,
    U: ToOwned, 

fn partial_cmp(&self, other: &Is<'_, U>) -> Option<Ordering>

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

#[must_use]fn lt(&self, other: &Rhs) -> bool

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

#[must_use]fn le(&self, other: &Rhs) -> bool

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

#[must_use]fn gt(&self, other: &Rhs) -> bool

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

#[must_use]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<T: ?Sized, U: ?Sized, '_, '_> PartialOrd<Is<'_, U>> for IsMut<'_, T> where
    T: ToOwned + PartialOrd<U>,
    T::Owned: BorrowMut<T>,
    U: ToOwned, 

fn partial_cmp(&self, other: &Is<'_, U>) -> Option<Ordering>

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

#[must_use]fn lt(&self, other: &Rhs) -> bool

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

#[must_use]fn le(&self, other: &Rhs) -> bool

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

#[must_use]fn gt(&self, other: &Rhs) -> bool

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

#[must_use]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<T: ?Sized, U: ?Sized, '_, '_> PartialOrd<IsCow<'_, U>> for Is<'_, T> where
    T: ToOwned + PartialOrd<U>,
    U: ToOwned, 

fn partial_cmp(&self, other: &IsCow<'_, U>) -> Option<Ordering>

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

#[must_use]fn lt(&self, other: &Rhs) -> bool

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

#[must_use]fn le(&self, other: &Rhs) -> bool

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

#[must_use]fn gt(&self, other: &Rhs) -> bool

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

#[must_use]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<T: ?Sized, U: ?Sized, '_, '_> PartialOrd<IsMut<'_, U>> for Is<'_, T> where
    T: ToOwned + PartialOrd<U>,
    U: ToOwned,
    U::Owned: BorrowMut<U>, 

fn partial_cmp(&self, other: &IsMut<'_, U>) -> Option<Ordering>

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

#[must_use]fn lt(&self, other: &Rhs) -> bool

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

#[must_use]fn le(&self, other: &Rhs) -> bool

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

#[must_use]fn gt(&self, other: &Rhs) -> bool

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

#[must_use]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<T: ?Sized, U, O, '_> Rem<U> for Is<'_, T> where
    T: ToOwned,
    T::Owned: Rem<Owned<U>, Output = O> + Rem<&'a U::Is, Output = O>,
    &'a T: Rem<Owned<U>, Output = O> + Rem<&'b U::Is, Output = O>,
    U: AsIs, 

type Output = O

The resulting type after applying the % operator.

fn rem(self, rhs: U) -> Self::Output

Performs the % operation.

impl<T: ?Sized, U, O, '_> Shl<U> for Is<'_, T> where
    T: ToOwned,
    T::Owned: Shl<Owned<U>, Output = O> + Shl<&'a U::Is, Output = O>,
    &'a T: Shl<Owned<U>, Output = O> + Shl<&'b U::Is, Output = O>,
    U: AsIs, 

type Output = O

The resulting type after applying the << operator.

fn shl(self, rhs: U) -> Self::Output

Performs the << operation.

impl<T: ?Sized, U, O, '_> Shr<U> for Is<'_, T> where
    T: ToOwned,
    T::Owned: Shr<Owned<U>, Output = O> + Shr<&'a U::Is, Output = O>,
    &'a T: Shr<Owned<U>, Output = O> + Shr<&'b U::Is, Output = O>,
    U: AsIs, 

type Output = O

The resulting type after applying the >> operator.

fn shr(self, rhs: U) -> Self::Output

Performs the >> operation.

impl<T: ?Sized, U, O, '_> Sub<U> for Is<'_, T> where
    T: ToOwned,
    T::Owned: Sub<Owned<U>, Output = O> + Sub<&'a U::Is, Output = O>,
    &'a T: Sub<Owned<U>, Output = O> + Sub<&'b U::Is, Output = O>,
    U: AsIs, 

type Output = O

The resulting type after applying the - operator.

fn sub(self, rhs: U) -> Self::Output

Performs the - operation.

impl<T: ?Sized, '_> UpperExp for Is<'_, T> where
    T: ToOwned + UpperExp, 

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

Formats the value using the given formatter.

impl<T: ?Sized, '_> UpperHex for Is<'_, T> where
    T: ToOwned + UpperHex, 

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

Formats the value using the given formatter.