Struct AnyExpression 

pub struct AnyExpression { /* private fields */ }

Type-erased expression that can be downcast to concrete expression types

Implementations

impl AnyExpression

pub fn new<T>(expr: T) -> AnyExpression

where T: Clone + Send + Sync + 'static,

Create a new AnyExpression from a concrete expression type

pub fn downcast<T>(self) -> Result<T, AnyExpression>

where T: Clone + 'static,

Attempt to downcast to a concrete expression type

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

where T: 'static,

Get a reference to the expression as a specific type

pub fn is_type<T>(&self) -> bool

where T: 'static,

Check if this expression matches the given type

pub fn type_name(&self) -> &str

Get the expression type name for debugging

pub fn type_id(&self) -> TypeId

Get the TypeId

pub fn into_any(self) -> Box<dyn Any>

Convert to a boxed Any for advanced use cases

Trait Implementations

impl Clone for AnyExpression

fn clone(&self) -> AnyExpression

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AnyExpression

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.