Enum pfmt::BoxOrRef

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pub enum BoxOrRef<'a, T: ?Sized + 'a> {
    Boxed(Box<T>),
    Ref(&'a T),
}

Expand description

A Cow without ToOwned.

Variants

Boxed(Box<T>)

Ref(&'a T)

Trait Implementations

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impl<'a, T: ?Sized + 'a> Borrow<T> for BoxOrRef<'a, T>

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<'a, T: ?Sized + 'a> Deref for BoxOrRef<'a, T>

type Target = T

The resulting type after dereferencing.

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fn deref(&self) -> &T

Dereferences the value.

Auto Trait Implementations

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

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

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

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

impl<'a, T: ?Sized> UnwindSafe for BoxOrRef<'a, T>where
T: UnwindSafe + RefUnwindSafe,

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,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<'a, T> Fmt for Twhere
T: Borrow<dyn Fmt + 'a>,

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fn format(
 &self,
 full_name: &[String],
 name: &[String],
 args: &[String],
 flags: &[char],
 options: &HashMap<String, String, RandomState>
) -> Result<String, SingleFmtError>

Perform the formatting of a single placeholder. Placeholder’s full name, name segments of child format units, arguments, flags and options will be passed to this method. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for Twhere
U: From<T>,

const: unstable · source

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 for Twhere
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for Twhere
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Enum pfmt::BoxOrRef

Variants

Boxed(Box<T>)

Ref(&'a T)

Trait Implementations

impl<'a, T: ?Sized + 'a> Borrow<T> for BoxOrRef<'a, T>

fn borrow(&self) -> &T

impl<'a, T: ?Sized + 'a> Deref for BoxOrRef<'a, T>

type Target = T

fn deref(&self) -> &T

Auto Trait Implementations

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

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

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

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

impl<'a, T: ?Sized> UnwindSafe for BoxOrRef<'a, T>where
T: UnwindSafe + RefUnwindSafe,

Blanket Implementations

impl<T> Any for Twhere
T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere
T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

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

impl<'a, T> Fmt for Twhere
T: Borrow<dyn Fmt + 'a>,

fn format(
    &self,
    full_name: &[String],
    name: &[String],
    args: &[String],
    flags: &[char],
    options: &HashMap<String, String, RandomState>
) -> Result<String, SingleFmtError>

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere
U: From<T>,

fn into(self) -> U

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Enum pfmt::BoxOrRef

Variants

Boxed(Box<T>)

Ref(&'a T)

Trait Implementations

impl<'a, T: ?Sized + 'a> Borrow<T> for BoxOrRef<'a, T>

fn borrow(&self) -> &T

impl<'a, T: ?Sized + 'a> Deref for BoxOrRef<'a, T>

type Target = T

fn deref(&self) -> &T

Auto Trait Implementations

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

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

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

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

impl<'a, T: ?Sized> UnwindSafe for BoxOrRef<'a, T>where T: UnwindSafe + RefUnwindSafe,

Blanket Implementations

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

impl<'a, T> Fmt for Twhere T: Borrow<dyn Fmt + 'a>,

fn format( &self, full_name: &[String], name: &[String], args: &[String], flags: &[char], options: &HashMap<String, String, RandomState>) -> Result<String, SingleFmtError>

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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

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

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

impl<'a, T: ?Sized> UnwindSafe for BoxOrRef<'a, T>where
T: UnwindSafe + RefUnwindSafe,

impl<T> Any for Twhere
T: 'static + ?Sized,

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

impl<'a, T> Fmt for Twhere
T: Borrow<dyn Fmt + 'a>,

fn format(
&self,
full_name: &[String],
name: &[String],
args: &[String],
flags: &[char],
options: &HashMap<String, String, RandomState>
) -> Result<String, SingleFmtError>

impl<T, U> Into<U> for Twhere
U: From<T>,

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,