Struct vstd::rwlock::RwLockToks::Instance

pub proof fn initialize_full( k: K, t: V, tracked param_token_storage: Option<V> ) -> tracked (Tracked<Instance<K, V, Pred>>, Tracked<flag_exc<K, V, Pred>>, Tracked<flag_rc<K, V, Pred>>, Tracked<Option<pending_writer<K, V, Pred>>>, Tracked<Option<writer<K, V, Pred>>>, Tracked<Map<(), pending_reader<K, V, Pred>>>, Tracked<Map<V, reader<K, V, Pred>>>)

requires

(Pred::inv(k, t)),

(crate::prelude::equal(param_token_storage, Option::Some(t))),

ensures

({
    let (
        instance,
        param_token_flag_exc,
        param_token_flag_rc,
        param_token_pending_writer,
        param_token_writer,
        param_token_pending_reader,
        param_token_reader,
    ) = tmp_tuple;
    let instance = instance.view();
    let param_token_flag_exc = param_token_flag_exc.view();
    let param_token_flag_rc = param_token_flag_rc.view();
    let param_token_pending_writer = param_token_pending_writer.view();
    let param_token_writer = param_token_writer.view();
    let param_token_pending_reader = param_token_pending_reader.view();
    let param_token_reader = param_token_reader.view();
    (crate::prelude::equal(param_token_flag_exc.view().instance, instance))
        && (crate::prelude::equal(param_token_flag_rc.view().instance, instance))
        && (crate::prelude::equal(instance.k(), k))
        && (crate::prelude::equal(instance.pred(), PhantomData))
        && (crate::prelude::equal(param_token_flag_exc.view().value, false))
        && (crate::prelude::equal(param_token_flag_rc.view().value, 0))
        && (pending_writer::<
            K,
            V,
            Pred,
        >::option_agree_strict(param_token_pending_writer, Option::None, instance))
        && (writer::<
            K,
            V,
            Pred,
        >::option_agree_strict(param_token_writer, Option::None, instance))
        && (pending_reader::<
            K,
            V,
            Pred,
        >::multiset_agree_strict(
            param_token_pending_reader,
            Multiset::empty(),
            instance,
        ))
        && (reader::<
            K,
            V,
            Pred,
        >::multiset_agree_strict(param_token_reader, Multiset::empty(), instance))
}),

pub proof fn acquire_read_start(tracked &self, tracked param_token_flag_rc: &mut flag_rc<K, V, Pred> ) -> pending_reader<K, V, Pred>

requires

(crate::prelude::equal(
    crate::prelude::old(param_token_flag_rc).view().instance,
    (*self),
)),

ensures

(crate::prelude::equal(param_token_flag_rc.view().instance, (*self))),

(crate::prelude::equal(param_token_0_pending_reader.view().instance, (*self))),

(((crate::prelude::equal(param_token_0_pending_reader.view().key, ()))
    && (param_token_0_pending_reader.view().count == 1))),

(crate::prelude::equal(
    param_token_flag_rc.view().value,
    crate::prelude::old(param_token_flag_rc).view().value + 1,
)),

pub proof fn acquire_read_end(tracked &self, tracked param_token_flag_exc: &flag_exc<K, V, Pred>, tracked param_token_0_pending_reader: pending_reader<K, V, Pred> ) -> tracked (Ghost<Option<V>>, Tracked<reader<K, V, Pred>>)

requires

(crate::prelude::equal(param_token_flag_exc.view().instance, (*self))),

(crate::prelude::equal(param_token_0_pending_reader.view().instance, (*self))),

((param_token_flag_exc.view().value == false)),

(((crate::prelude::equal(param_token_0_pending_reader.view().key, ()))
    && (param_token_0_pending_reader.view().count == 1))),

ensures

({
    let (original_field_storage, param_token_1_reader) = tmp_tuple;
    let original_field_storage = original_field_storage.view();
    let param_token_1_reader = param_token_1_reader.view();
    (crate::prelude::equal(param_token_1_reader.view().instance, (*self)))
        && ({
            let x: V = original_field_storage.get_Some_0();
            ((crate::prelude::equal(param_token_1_reader.view().key, x))
                && (param_token_1_reader.view().count == 1))
        })
        && ({
            let x: V = original_field_storage.get_Some_0();
            Pred::inv((*self).k(), x)
        })
}),

pub proof fn acquire_read_abandon(tracked &self, tracked param_token_flag_rc: &mut flag_rc<K, V, Pred>, tracked param_token_0_pending_reader: pending_reader<K, V, Pred> )

requires

(crate::prelude::equal(
    crate::prelude::old(param_token_flag_rc).view().instance,
    (*self),
)),

(crate::prelude::equal(param_token_0_pending_reader.view().instance, (*self))),

(((crate::prelude::equal(param_token_0_pending_reader.view().key, ()))
    && (param_token_0_pending_reader.view().count == 1))),

ensures

(crate::prelude::equal(param_token_flag_rc.view().instance, (*self))),

((crate::prelude::old(param_token_flag_rc).view().value >= 1)),

(crate::prelude::equal(
    param_token_flag_rc.view().value,
    (crate::prelude::old(param_token_flag_rc).view().value - 1) as nat,
)),

pub proof fn acquire_exc_start(tracked &self, tracked param_token_flag_exc: &mut flag_exc<K, V, Pred> ) -> pending_writer<K, V, Pred>

requires

(crate::prelude::equal(
    crate::prelude::old(param_token_flag_exc).view().instance,
    (*self),
)),

((crate::prelude::old(param_token_flag_exc).view().value == false)),

ensures

(crate::prelude::equal(param_token_flag_exc.view().instance, (*self))),

(crate::prelude::equal(param_token_0_pending_writer.view().instance, (*self))),

(crate::prelude::equal(param_token_0_pending_writer.view().value, ())),

(crate::prelude::equal(param_token_flag_exc.view().value, true)),

pub proof fn acquire_exc_end(tracked &self, tracked param_token_flag_rc: &flag_rc<K, V, Pred>, tracked param_token_0_pending_writer: pending_writer<K, V, Pred> ) -> tracked (Ghost<Option<V>>, Tracked<V>, Tracked<writer<K, V, Pred>>)

requires

(crate::prelude::equal(param_token_flag_rc.view().instance, (*self))),

(crate::prelude::equal(param_token_0_pending_writer.view().instance, (*self))),

((param_token_flag_rc.view().value == 0)),

(crate::prelude::equal(param_token_0_pending_writer.view().value, ())),

ensures

({
    let (original_field_storage, param_token_2_storage, param_token_1_writer) = tmp_tuple;
    let original_field_storage = original_field_storage.view();
    let param_token_2_storage = param_token_2_storage.view();
    let param_token_1_writer = param_token_1_writer.view();
    (crate::prelude::equal(param_token_1_writer.view().instance, (*self)))
        && (crate::prelude::equal(param_token_1_writer.view().value, ()))
        && ({
            let x = original_field_storage.get_Some_0();
            crate::prelude::equal(param_token_2_storage, x)
        })
        && ({
            let x = original_field_storage.get_Some_0();
            Pred::inv((*self).k(), x)
        })
}),

pub proof fn release_exc(tracked &self, x: V, tracked param_token_flag_exc: &mut flag_exc<K, V, Pred>, tracked param_token_1_storage: V, tracked param_token_0_writer: writer<K, V, Pred> )

requires

(crate::prelude::equal(
    crate::prelude::old(param_token_flag_exc).view().instance,
    (*self),
)),

(crate::prelude::equal(param_token_0_writer.view().instance, (*self))),

(Pred::inv((*self).k(), x)),

(crate::prelude::equal(param_token_0_writer.view().value, ())),

(crate::prelude::equal(param_token_1_storage, x)),

ensures

(crate::prelude::equal(param_token_flag_exc.view().instance, (*self))),

(crate::prelude::equal(param_token_flag_exc.view().value, false)),

pub proof fn read_guard<'a>(tracked &self, x: V, tracked param_token_0_reader: &'a reader<K, V, Pred> ) -> &'a V

requires

(crate::prelude::equal(param_token_0_reader.view().instance, (*self))),

(((crate::prelude::equal(param_token_0_reader.view().key, x))
    && (param_token_0_reader.view().count == 1))),

ensures

(crate::prelude::equal(*param_token_1_storage, x)),

pub proof fn read_match(tracked &self, x: V, y: V, tracked param_token_0_reader: &reader<K, V, Pred>, tracked param_token_1_reader: &reader<K, V, Pred> )

requires

(crate::prelude::equal(param_token_0_reader.view().instance, (*self))),

(crate::prelude::equal(param_token_1_reader.view().instance, (*self))),

(((crate::prelude::equal(param_token_0_reader.view().key, x))
    && (param_token_0_reader.view().count == 1))),

(((crate::prelude::equal(param_token_1_reader.view().key, y))
    && (param_token_1_reader.view().count == 1))),

ensures

((equal(x, y))),

pub proof fn release_shared(tracked &self, x: V, tracked param_token_flag_rc: &mut flag_rc<K, V, Pred>, tracked param_token_0_reader: reader<K, V, Pred> )

requires

(crate::prelude::equal(
    crate::prelude::old(param_token_flag_rc).view().instance,
    (*self),
)),

(crate::prelude::equal(param_token_0_reader.view().instance, (*self))),

(((crate::prelude::equal(param_token_0_reader.view().key, x))
    && (param_token_0_reader.view().count == 1))),

ensures

(crate::prelude::equal(param_token_flag_rc.view().instance, (*self))),

((crate::prelude::old(param_token_flag_rc).view().value >= 1)),

(crate::prelude::equal(
    param_token_flag_rc.view().value,
    (crate::prelude::old(param_token_flag_rc).view().value - 1) as nat,
)),

Auto Trait Implementations§

impl<K, V, Pred> RefUnwindSafe for Instance<K, V, Pred>
where K: RefUnwindSafe, Pred: RefUnwindSafe, V: RefUnwindSafe,

impl<K, V, Pred> Send for Instance<K, V, Pred>
where K: Send, Pred: Send, V: Send + Sync,

impl<K, V, Pred> Sync for Instance<K, V, Pred>
where K: Sync, Pred: Sync, V: Send + Sync,

impl<K, V, Pred> Unpin for Instance<K, V, Pred>
where K: Unpin, Pred: Unpin, V: Unpin,

impl<K, V, Pred> UnwindSafe for Instance<K, V, Pred>
where K: UnwindSafe, Pred: UnwindSafe, V: UnwindSafe,

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.