use eclisp::{Lisp, LispError};
fn main() -> Result<(), LispError> {
let lisp = Lisp::new()?;
lisp.enter(|ctx| -> Result<(), LispError> {
let value = ctx.eval("(+ 1 2)")?;
println!("Result of (+ 1 2): {:?}", value.try_as_i64());
let list = ctx.eval("'(10 20 30)")?;
println!("Result of '(10 20 30): {}", list);
for value in list.iter() {
println!("{}", value?);
}
ctx.eval("(defun double (n) (* n 2))")?;
let doubled = ctx.call("double", &[&ctx.int(3)?])?;
println!("3 doubled = {}", doubled);
Ok(())
})?;
Ok(())
}