Trait tract_hir::prelude::Fact

pub trait Fact: Debug + Downcast + DynClone + Send + Sync + 'static {
    // Required methods
    fn to_typed_fact(&self) -> Result<Cow<'_, TypedFact>, Error>;
    fn same_as(&self, _other: &(dyn Fact + 'static)) -> bool;
    fn compatible_with(&self, _other: &(dyn Fact + 'static)) -> bool;
    fn datum_type(&self) -> Option<DatumType>;

    // Provided method
    fn matches(
        &self,
        t: &Tensor,
        symbols: Option<&SymbolValues>
    ) -> Result<bool, Error> { ... }
}

Type information about a tensor: shape, and element type, in various state of determination.

Required Methods

fn to_typed_fact(&self) -> Result<Cow<'_, TypedFact>, Error>

fn same_as(&self, _other: &(dyn Fact + 'static)) -> bool

fn compatible_with(&self, _other: &(dyn Fact + 'static)) -> bool

Ensure that self is same type as another fact or a subtype

fn datum_type(&self) -> Option<DatumType>

Provided Methods

fn matches( &self, t: &Tensor, symbols: Option<&SymbolValues> ) -> Result<bool, Error>

Implementations

impl dyn Fact

pub fn is<__T>(&self) -> bool

where __T: Fact,

Returns true if the trait object wraps an object of type __T.

pub fn downcast<__T>(self: Box<dyn Fact>) -> Result<Box<__T>, Box<dyn Fact>>

where __T: Fact,

Returns a boxed object from a boxed trait object if the underlying object is of type __T. Returns the original boxed trait if it isn’t.

pub fn downcast_rc<__T>(self: Rc<dyn Fact>) -> Result<Rc<__T>, Rc<dyn Fact>>

where __T: Fact,

Returns an Rc-ed object from an Rc-ed trait object if the underlying object is of type __T. Returns the original Rc-ed trait if it isn’t.

pub fn downcast_ref<__T>(&self) -> Option<&__T>

where __T: Fact,

Returns a reference to the object within the trait object if it is of type __T, or None if it isn’t.

pub fn downcast_mut<__T>(&mut self) -> Option<&mut __T>

where __T: Fact,

Returns a mutable reference to the object within the trait object if it is of type __T, or None if it isn’t.

Trait Implementations

impl<'clone> Clone for Box<dyn Fact + 'clone>

fn clone(&self) -> Box<dyn Fact + 'clone>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'clone> Clone for Box<dyn Fact + Send + 'clone>

fn clone(&self) -> Box<dyn Fact + Send + 'clone>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'clone> Clone for Box<dyn Fact + Send + Sync + 'clone>

fn clone(&self) -> Box<dyn Fact + Send + Sync + 'clone>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'clone> Clone for Box<dyn Fact + Sync + 'clone>

fn clone(&self) -> Box<dyn Fact + Sync + 'clone>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

Implementors

impl Fact for InferenceFact

impl Fact for TypedFact