Struct vstd::std_specs::hash::IterGhostIterator

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pub struct IterGhostIterator<'a, Key> {
    pub pos: int,
    pub elements: Seq<Key>,
    pub phantom: Option<&'a Key>,
}

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§pos: int§elements: Seq<Key>§phantom: Option<&'a Key>

Trait Implementations§

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impl<'a, Key: 'a> ForLoopGhostIterator for IterGhostIterator<'a, Key>

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open spec fn exec_invariant(&self, exec_iter: &Iter<'a, Key>) -> bool

{
    &&& self.pos == exec_iter@.0
    &&& self.elements == exec_iter@.1

}
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open spec fn ghost_invariant(&self, init: Option<&Self>) -> bool

{
    init matches Some(
        init,
    ) ==> {
        &&& init.pos == 0
        &&& init.elements == self.elements
        &&& 0 <= self.pos <= self.elements.len()

    }
}
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open spec fn ghost_ensures(&self) -> bool

{ self.pos == self.elements.len() }
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open spec fn ghost_decrease(&self) -> Option<int>

{ Some(self.elements.len() - self.pos) }
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open spec fn ghost_peek_next(&self) -> Option<Key>

{
    if 0 <= self.pos < self.elements.len() {
        Some(self.elements[self.pos])
    } else {
        None
    }
}
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open spec fn ghost_advance( &self, _exec_iter: &Iter<'a, Key>, ) -> IterGhostIterator<'a, Key>

{ Self { pos: self.pos + 1, ..*self } }
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type ExecIter = Iter<'a, Key>

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type Item = Key

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type Decrease = int

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impl<'a, Key> View for IterGhostIterator<'a, Key>

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open spec fn view(&self) -> Seq<Key>

{ self.elements.take(self.pos) }
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type V = Seq<Key>

Auto Trait Implementations§

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impl<'a, Key> Freeze for IterGhostIterator<'a, Key>

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impl<'a, Key> RefUnwindSafe for IterGhostIterator<'a, Key>
where Key: RefUnwindSafe,

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impl<'a, Key> Send for IterGhostIterator<'a, Key>
where Key: Send + Sync,

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impl<'a, Key> Sync for IterGhostIterator<'a, Key>
where Key: Sync,

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impl<'a, Key> Unpin for IterGhostIterator<'a, Key>
where Key: Unpin,

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impl<'a, Key> UnwindSafe for IterGhostIterator<'a, Key>
where Key: UnwindSafe + RefUnwindSafe,

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.