function DCELMesh(vertices, edges, faces) {

			this.vertices = vertices;
			this.edges = edges;
			this.faces = faces;
		}
function DCELMesh(vertices, edges, faces) {

			this.vertices = vertices;
			this.edges = edges;
			this.faces = faces;
		}
function DCELMesh ( vertices , edges , faces ) { this . vertices = vertices ; this . edges = edges ; this . faces = faces ; }
/* js/src/d2/dcel/DCELMesh.js 

vertices, edges and faces lists MUST support the standard doubly linked list
interface.
/ * js / src / d2 / dcel / DCELMesh . js