Struct pinboard::NonEmptyPinboard

pub struct NonEmptyPinboard<T: Clone + 'static>(_);

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

Implementations

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

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

Create a new NonEmptyPinboard instance holding the given value.

pub fn set(&self, t: T)

Update the value stored in the NonEmptyPinboard.

pub fn read(&self) -> T

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

Trait Implementations

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

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

Formats the value using the given formatter.

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

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

Formats the value using the given formatter.

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

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

Formats the value using the given formatter.

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

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

Formats the value using the given formatter.

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

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

Formats the value using the given formatter.

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

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

Formats the value using the given formatter.

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

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

Formats the value using the given formatter.

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

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

Formats the value using the given formatter.

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

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

Formats the value using the given formatter.