{"ast_node_type":"other","tokens":[{"end":39,"kind":"keyword","start":0,"text":"///"}]}
/// (Main entry point for the library.)
/// Renders directed graph `g` into the writer `w` in DOT syntax.
pub fn render_opts<'a, N, E, G, W>(g: &'a G, w: &mut W, options: &[RenderOption]) -> io::Result<()>