rhai/examples/simple_fn.rs
2020-03-02 15:19:59 +08:00

16 lines
296 B
Rust

use rhai::{Engine, RegisterFn};
fn main() {
let mut engine = Engine::new();
fn add(x: i64, y: i64) -> i64 {
x + y
}
engine.register_fn("add", add);
if let Ok(result) = engine.eval::<i64>("add(40, 2)") {
println!("Answer: {}", result); // prints 42
}
}