Struct FuncTransformNode 

pub struct FuncTransformNode { /* private fields */ }

A node that transforms its source with a function. Used for type casts in compiled binding paths.

Implementations

impl FuncTransformNode

pub fn new( transform: Rc<dyn Fn(Option<&BoxedValue>) -> Option<BoxedValue>>, ) -> Rc<Self>

Trait Implementations

impl ExpressionNode for FuncTransformNode

fn state(&self) -> &NodeState

fn build_string(&self, _builder: &mut String)

Appends a string representation of the node to builder.

fn on_source_changed( &self, source: Option<&BoxedValue>, _data_validation_error: Option<&BindingError>, )

Subscribes to the new source and updates the current value.

fn build_string_with_nodes( &self, builder: &mut String, nodes: &[Rc<dyn ExpressionNode>], )

Builds a string representation of the binding path up to this node.

fn unsubscribe(&self, _old_source: &BoxedValue)

Unsubscribes from the previous source.

fn as_settable(&self) -> Option<&dyn ISettableNode>

fn as_property_accessor_node(&self) -> Option<&dyn IPropertyAccessorNode>

fn as_source_node(&self) -> Option<&dyn SourceNode>

fn is_data_context_node(&self) -> bool

Whether the node reads a data context.