Check

deki_proc

Enum Check 

Source 
pub enum Check<T, M> {
    None,
    Some(T),
    Maybe(M),
}
Expand description

Token Level Return

  • Some: It’s the requested thing
  • None: It can’t be the requested thing
  • Maybe: It can be the requested thing, but something is missing

Variants§

§

None

§

Some(T)

§

Maybe(M)

Trait Implementations§

Source§

impl<T, M> Default for Check<T, M>

Source§

fn default() -> Check<T, M>

Returns the “default value” for a type. Read more

Auto Trait Implementations§

§

impl<T, M> Freeze for Check<T, M>
where T: Freeze, M: Freeze,

§

impl<T, M> RefUnwindSafe for Check<T, M>
where T: RefUnwindSafe, M: RefUnwindSafe,

§

impl<T, M> Send for Check<T, M>
where T: Send, M: Send,

§

impl<T, M> Sync for Check<T, M>
where T: Sync, M: Sync,

§

impl<T, M> Unpin for Check<T, M>
where T: Unpin, M: Unpin,

§

impl<T, M> UnwindSafe for Check<T, M>
where T: UnwindSafe, M: 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<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, 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.