Function render 

pub fn render(input: &str) -> Result<String, PiktError>

Renders the given pikchr markup as SVG.

Use render_with if you want to change the default options.

Example

use pikt::render;

let markup = r#"
circle "1"
move
circle "2"
arrow from first circle.end to last circle.start
"#;
let svg = render(markup);

assert!(svg.is_ok());