Method add_node

src/graph.rs:66–75

(&mut self, deps: Vec<usize>)

    }

    pub fn add_node(&mut self, deps: Vec<usize>) -> Node {
        let idx = self.nodes.len();

        let node = Node {
            idx,
            deps
        };
        self.nodes.push(node.clone());
        node
    }

    pub fn set_node_color(&mut self, node_color: Color) {
        self.graph_desc.node_color = node_color;