SmartPtrPointsTo

vstd_extra::external::smart_ptr

Enum SmartPtrPointsTo 

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pub enum SmartPtrPointsTo<T: 'static> {
    Box(BoxPointsTo<T>),
    Arc(ArcPointsTo<T>),
}

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Box(BoxPointsTo<T>)

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Arc(ArcPointsTo<T>)

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impl<T: 'static> SmartPtrPointsTo<T>

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pub fn arrow_Box_0(self) -> BoxPointsTo<T>

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pub fn arrow_Arc_0(self) -> ArcPointsTo<T>

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impl<T> SmartPtrPointsTo<T>

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pub open spec fn ptr(self) -> *mut T

{
    match self {
        SmartPtrPointsTo::Box(b) => b.ptr(),
        SmartPtrPointsTo::Arc(a) => a.ptr(),
    }
}
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pub open spec fn addr(self) -> usize

{ self.ptr().addr() }
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pub open spec fn is_init(self) -> bool

{
    match self {
        SmartPtrPointsTo::Box(b) => b.is_init(),
        SmartPtrPointsTo::Arc(a) => a.is_init(),
    }
}
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pub open spec fn is_uninit(self) -> bool

{
    match self {
        SmartPtrPointsTo::Box(b) => b.is_uninit(),
        SmartPtrPointsTo::Arc(a) => a.is_uninit(),
    }
}
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pub proof fn get_box_points_to(tracked self) -> tracked ret : BoxPointsTo<T>

requires
self is Box,
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pub proof fn get_arc_points_to(tracked self) -> tracked ret : ArcPointsTo<T>

requires
self is Arc,
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pub proof fn new_box_points_to(tracked points_to: PointsTo<T>, tracked dealloc: Option<Dealloc>, ) -> tracked ret : SmartPtrPointsTo<T>

requires
points_to.is_init(),
match dealloc {
    Some(dealloc) => (
        &&& vstd::layout::size_of::<T>() > 0
        &&& valid_layout(size_of::<T>(), dealloc.align() as usize)
        &&& points_to.ptr().addr() == dealloc.addr()
        &&& points_to.ptr()@.provenance == dealloc.provenance()
        &&& dealloc.size() == vstd::layout::size_of::<T>()
        &&& dealloc.align() == vstd::layout::align_of::<T>()

    ),
    None => vstd::layout::size_of::<T>() == 0,
},
ensures
ret.inv(),
ret is Box,
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pub proof fn new_arc_points_to(tracked points_to: &'static PointsTo<T>) -> tracked ret : SmartPtrPointsTo<T>

requires
points_to.is_init(),
points_to.ptr().addr() != 0,
points_to.ptr().addr() as int % vstd::layout::align_of::<T>() as int == 0,
ensures
ret.inv(),
ret is Arc,

Trait Implementations§

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impl<T> Inv for SmartPtrPointsTo<T>

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open spec fn inv(self) -> bool

{
    match self {
        SmartPtrPointsTo::Box(b) => b.inv(),
        SmartPtrPointsTo::Arc(a) => a.inv(),
    }
}

Auto Trait Implementations§

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impl<T> Freeze for SmartPtrPointsTo<T>

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impl<T> RefUnwindSafe for SmartPtrPointsTo<T>
where T: RefUnwindSafe,

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impl<T> Send for SmartPtrPointsTo<T>
where T: Send + Sync,

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impl<T> Sync for SmartPtrPointsTo<T>
where T: Sync,

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impl<T> Unpin for SmartPtrPointsTo<T>
where T: Unpin,

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impl<T> UnwindSafe for SmartPtrPointsTo<T>
where T: 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, VERUS_SPEC__A> FromSpec<T> for VERUS_SPEC__A
where VERUS_SPEC__A: From<T>,

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fn obeys_from_spec() -> bool

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fn from_spec(v: T) -> VERUS_SPEC__A

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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, VERUS_SPEC__A> IntoSpec<T> for VERUS_SPEC__A
where VERUS_SPEC__A: Into<T>,

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fn obeys_into_spec() -> bool

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fn into_spec(self) -> T

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

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fn obeys_into_spec() -> bool

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fn into_spec(self) -> U

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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, VERUS_SPEC__A> TryFromSpec<T> for VERUS_SPEC__A
where VERUS_SPEC__A: TryFrom<T>,

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fn obeys_try_from_spec() -> bool

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fn try_from_spec( v: T, ) -> Result<VERUS_SPEC__A, <VERUS_SPEC__A as TryFrom<T>>::Error>

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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.
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impl<T, VERUS_SPEC__A> TryIntoSpec<T> for VERUS_SPEC__A
where VERUS_SPEC__A: TryInto<T>,

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fn obeys_try_into_spec() -> bool

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fn try_into_spec(self) -> Result<T, <VERUS_SPEC__A as TryInto<T>>::Error>

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

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fn obeys_try_into_spec() -> bool

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fn try_into_spec(self) -> Result<U, <U as TryFrom<T>>::Error>