gistfile1.rs

fn linked_face(vertexs: &[Rc<RefCell<Vertex>>], face: UnlinkedFace) -> Option<RefCell<Face>> {
	Some(
		RefCell::new(
			Face {
				a:match vertexs.slice(face.a,face.a+1).iter().next() {
					Some(x) => x.clone(),
					None => return None,
				},
				b:match vertexs.slice(face.b,face.b+1).iter().next() {
					Some(x) => x.clone(),
					None => return None,
				},
				c:match vertexs.slice(face.c,face.c+1).iter().next() {
					Some(x) => x.clone(),
					None => return None,
				},
				d:match vertexs.slice(face.d,face.d+1).iter().next() {
					Some(x) => x.clone(),
					None => return None,
				}}))
}

fn linked_face(vertexs: &[Rc<RefCell<Vertex>>], face: UnlinkedFace) -> Option<RefCell<Face>> {
	let a = match vertexs.slice(face.a,face.a+1).iter().next() {
		Some(x) => x.clone(),
		None => return None,
	};
	let b = match vertexs.slice(face.b,face.b+1).iter().next() {
		Some(x) => x.clone(),
		None => return None,
	};
	let c = match vertexs.slice(face.c,face.c+1).iter().next() {
		Some(x) => x.clone(),
		None => return None,
	};
	let d = match vertexs.slice(face.d,face.d+1).iter().next() {
		Some(x) => x.clone(),
		None => return None,
	};
	Some(
		RefCell::new(
			Face {
				a:a,
				b:b,
				c:c,
				d:d,
			}}))
}