pub struct NonEmptyPinboard<T: 'static>(_);
Expand description

An wrapper around a Pinboard which provides the guarantee it is never empty.

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impl<T: 'static> NonEmptyPinboard<T>

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pub fn new(t: T) -> NonEmptyPinboard<T>

Create a new NonEmptyPinboard instance holding the given value.

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pub fn set(&self, t: T)

Update the value stored in the NonEmptyPinboard.

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pub fn get_ref(&self) -> GuardedRef<T>

Get an immutable reference to a recent version of the posted data, protected from deletion by a guard.

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impl<T: Clone + 'static> NonEmptyPinboard<T>

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pub fn read(&self) -> T

Get a copy of the latest (well, recent) version of the posted data.

Trait Implementations§

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impl<T> Binary for NonEmptyPinboard<T>where T: Binary + Clone + 'static,

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

Formats the value using the given formatter.
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impl<T> Debug for NonEmptyPinboard<T>where T: Debug + Clone + 'static,

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

Formats the value using the given formatter. Read more
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impl<T> Display for NonEmptyPinboard<T>where T: Display + Clone + 'static,

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

Formats the value using the given formatter. Read more
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impl<T> LowerExp for NonEmptyPinboard<T>where T: LowerExp + Clone + 'static,

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

Formats the value using the given formatter.
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impl<T> LowerHex for NonEmptyPinboard<T>where T: LowerHex + Clone + 'static,

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

Formats the value using the given formatter.
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impl<T> Octal for NonEmptyPinboard<T>where T: Octal + Clone + 'static,

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

Formats the value using the given formatter.
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impl<T> Pointer for NonEmptyPinboard<T>where T: Pointer + Clone + 'static,

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

Formats the value using the given formatter.
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impl<T> UpperExp for NonEmptyPinboard<T>where T: UpperExp + Clone + 'static,

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

Formats the value using the given formatter.
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impl<T> UpperHex for NonEmptyPinboard<T>where T: UpperHex + Clone + 'static,

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

Formats the value using the given formatter.

Auto Trait Implementations§

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impl<T> RefUnwindSafe for NonEmptyPinboard<T>where T: RefUnwindSafe,

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impl<T> Send for NonEmptyPinboard<T>where T: Send + Sync,

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impl<T> Sync for NonEmptyPinboard<T>where T: Send + Sync,

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impl<T> Unpin for NonEmptyPinboard<T>

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impl<T> UnwindSafe for NonEmptyPinboard<T>where T: 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<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<U> 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> Pointable for T

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const ALIGN: usize = mem::align_of::<T>()

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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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<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.