Method contains_node

crates/firewheel-graph/src/context.rs:995–997

Returns `true` if the node exists in the graph.

(&self, id: NodeID)

    ///
    /// This will return an error if the ID is of the graph input or graph
    /// output node.
    pub fn remove_node(&mut self, node_id: NodeID) -> Result<SmallVec<[Edge; 4]>, RemoveNodeError> {
        self.graph.remove_node(node_id, false)
    }

    /// Returns `true` if the node exists in the graph.