Skip to main content

DisplayOption

lexe_std::fmt

Struct DisplayOption 

Source 
pub struct DisplayOption<T>(pub Option<T>);
Expand description

Displays an Option<T> using T’s fmt::Display impl, or “(null)” if the Option was None.

Tuple Fields§

§0: Option<T>

Trait Implementations§

Source§

impl<T: Display> Display for DisplayOption<T>

Source§

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

§

impl<T> Freeze for DisplayOption<T>
where T: Freeze,

§

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

§

impl<T> Send for DisplayOption<T>
where T: Send,

§

impl<T> Sync for DisplayOption<T>
where T: Sync,

§

impl<T> Unpin for DisplayOption<T>
where T: Unpin,

§

impl<T> UnsafeUnpin for DisplayOption<T>
where T: UnsafeUnpin,

§

impl<T> UnwindSafe for DisplayOption<T>
where T: UnwindSafe,

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<F, T, U> Apply<F, U> for T
where F: FnOnce(T) -> U,

Source§

fn apply(self, f: F) -> U

Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

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

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.

Source§

impl<T> ToString for T
where T: Display + ?Sized,

Source§

fn to_string(&self) -> String

Converts the given value to a String. Read more
Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.