Function rome::io::write_turtle

pub fn write_turtle<'g, G: 'g, T: 'g, I, W>(
    namespaces: &Namespaces, 
    triples: I, 
    graph: &'g G, 
    writer: &mut W
) -> Result<()> where
    T: Triple<'g, G::BlankNodePtr, G::IRIPtr, G::LiteralPtr>,
    G: Graph<'g>,
    <G as Graph<'g>>::BlankNodePtr: Display,
    I: Iterator<Item = T>,
    W: Write, 

Write out triples as turtle.