plotters 0.1.1

use plotters::prelude::*;
fn main() -> Result<(), Box<dyn std::error::Error>> {
    let backend = BitMapBackend::new("examples/outputs/3.png", (300, 200));
    // A backend object can be converted into a drawing area
    let root:DrawingArea<_,_> = backend.into();
    // Draw an circle on the drawing area
    root.draw(&Circle::new((100,100), 50, Into::<ShapeStyle>::into(&RGBColor(255, 0, 0)).filled()))?;
    root.close()?;
    return Ok(());
}