17 lines
369 B
Rust
17 lines
369 B
Rust
|
extern crate rhai;
|
||
|
|
use rhai::{Engine, FnRegister};
|
||
|
|
|
||
|
|
fn add(x: i32, y: i32) -> i32 {
|
||
|
|
x + y
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
let mut engine = Engine::new();
|
||
|
|
|
||
|
|
&(add as fn(x: i32, y: i32)->i32).register(&mut engine, "add");
|
||
|
|
|
||
|
|
if let Ok(result) = engine.eval("add(40, 2)".to_string()).unwrap().downcast::<i32>() {
|
||
|
|
println!("Answer: {}", *result); // prints 42
|
||
|
|
}
|
||
|
|
}
|