Struct rt_format::map::NoMap[−][src]

pub struct NoMap;

Expand description

A Map implementation that always returns None.

Trait Implementations

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impl<Q: ?Sized, V> Map<Q, V> for NoMap where
Q: Hash + Eq + ?Sized,

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fn get(&self, _: &Q) -> Option<&V>

Returns a reference to the value associated with the given key, if any.

Auto Trait Implementations

impl RefUnwindSafe for NoMap

impl Send for NoMap

impl Sync for NoMap

impl Unpin for NoMap

impl UnwindSafe for NoMap

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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pub fn from(t: T) -> T

Performs the conversion.

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

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pub fn into(self) -> U

Performs the conversion.

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

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

Performs the conversion.

Struct rt_format::map::NoMap[−][src]

Trait Implementations

impl<Q: ?Sized, V> Map<Q, V> for NoMap where
Q: Hash + Eq + ?Sized,

fn get(&self, _: &Q) -> Option<&V>

Auto Trait Implementations

impl RefUnwindSafe for NoMap

impl Send for NoMap

impl Sync for NoMap

impl Unpin for NoMap

impl UnwindSafe for NoMap

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

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

type Error = Infallible

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

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

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

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

Struct rt_format::map::NoMap[−][src]

Trait Implementations

impl<Q: ?Sized, V> Map<Q, V> for NoMap where Q: Hash + Eq + ?Sized,

fn get(&self, _: &Q) -> Option<&V>

Auto Trait Implementations

impl RefUnwindSafe for NoMap

impl Send for NoMap

impl Sync for NoMap

impl Unpin for NoMap

impl UnwindSafe for NoMap

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

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

type Error = Infallible

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

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

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

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

impl<Q: ?Sized, V> Map<Q, V> for NoMap where
Q: Hash + Eq + ?Sized,

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

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

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

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

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

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