Struct `Question`

pub struct Question { pub spans: [Span; 1] }

?

Usage: question mark operator, questionably sized, macro Kleene matcher.

Don't try to remember the name of this type — use the Token! macro instead.

Fields

spans: [Span; 1]

Trait Implementations

`impl Clone for Question`

fn clone(&self) -> Self

`impl Copy for Question`

`impl Default for Question`

fn default() -> Self

`impl Deref for Question`

type Target = WithSpan;
fn deref(&self) -> &Self::Target

`impl DerefMut for Question`

fn deref_mut(&mut self) -> &mut Self::Target

`impl Parse for Question`

fn parse(input: ParseStream<'_>) -> Result<Self>

`impl ToTokens for Question`

fn to_tokens(&self, tokens: &mut TokenStream)

`impl Token for Question`

Auto Trait Implementations

`impl !Send for Question`

`impl !Sync for Question`

`impl Freeze for Question`

`impl RefUnwindSafe for Question`

`impl Unpin for Question`

`impl UnsafeUnpin for Question`

`impl UnwindSafe for Question`

Blanket Implementations

`impl<P, T> Receiver for Question where P: Deref<Target = T> + ?Sized, T: ?Sized,`

type Target = T;

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

`impl<T> CloneToUninit for Question where T: Clone,`

unsafe fn clone_to_uninit(&self, dest: *mut u8)

`impl<T> From<T> for Question`

fn from(t: T) -> T: Returns the argument unchanged.

`impl<T> Spanned for Question where T: Spanned + ?Sized,`

fn span(&self) -> Span

`impl<T> ToOwned for Question where T: Clone,`

type Owned = T;
fn to_owned(&self) -> T
fn clone_into(&self, target: &mut T)

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

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

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

type Error = never;
fn try_from(value: U) -> Result<T, never>

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

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