pub trait NodeDefinition: Sized {
type TypeInfo: NodeTypeInfo;
// Required methods
fn node_label(&self, registry: &Registry) -> String;
fn node_pins_in(&self, registry: &Registry) -> Vec<NodePin<Self::TypeInfo>>;
fn node_pins_out(&self, registry: &Registry) -> Vec<NodePin<Self::TypeInfo>>;
fn node_is_start(&self, registry: &Registry) -> bool;
fn node_suggestions(
x: i64,
y: i64,
suggestion: NodeSuggestion<'_, Self>,
registry: &Registry
) -> Vec<ResponseSuggestionNode<Self>>;
// Provided methods
fn validate_connection(
&self,
source: &Self,
registry: &Registry
) -> Result<(), Box<dyn Error>> { ... }
fn get_property(&self, name: &str) -> Option<PropertyValue> { ... }
fn set_property(&mut self, name: &str, value: PropertyValue) { ... }
}