SumUpdateR

creusot_contracts::logic::ra::sum

Struct SumUpdateR 

Source 
pub struct SumUpdateR<U>(pub U);

Tuple Fields§

§0: U

Trait Implementations§

Source§

impl<R: RA, U: Update<R>, V: RA> Update<Sum<V, R>> for SumUpdateR<U>

Source§

fn premise(self, from: Sum<V, R>) -> bool

(open)

match from {
    Sum::Right(from) => self.0.premise(from),
    Sum::Left(_) => false,
}
Source§

fn update(self, from: Sum<V, R>, ch: U::Choice) -> Sum<V, R>

(open)

match from {
    Sum::Right(from) => Sum::Right(self.0.update(from, ch)),
    x => x, /* Dummy */
}

requires 

self.premise(from)

Source§

fn frame_preserving(self, from: Sum<V, R>, frame: Sum<V, R>) -> U::Choice

⚠

requires 

self.premise(from)

requires 

from.op(frame) != None

ensures 

self.update(from, result).op(frame) != None

Source§

type Choice = <U as Update<R>>::Choice

Auto Trait Implementations§

§

impl<U> Freeze for SumUpdateR<U>
where U: Freeze,

§

impl<U> RefUnwindSafe for SumUpdateR<U>
where U: RefUnwindSafe,

§

impl<U> Send for SumUpdateR<U>
where U: Send,

§

impl<U> Sync for SumUpdateR<U>
where U: Sync,

§

impl<U> Unpin for SumUpdateR<U>
where U: Unpin,

§

impl<U> UnwindSafe for SumUpdateR<U>
where U: 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.