rhai/examples/reuse_scope.rs
2021-02-20 23:46:25 +08:00

21 lines
512 B
Rust

use rhai::{Engine, EvalAltResult, Scope, INT};
fn main() -> Result<(), Box<EvalAltResult>> {
let engine = Engine::new();
let mut scope = Scope::new();
engine.eval_with_scope::<()>(&mut scope, "let x = 4 + 5")?;
println!("x = {}", scope.get_value::<INT>("x").unwrap());
for _ in 0..10 {
let result = engine.eval_with_scope::<INT>(&mut scope, "x += 1; x")?;
println!("result: {}", result);
}
println!("x = {}", scope.get_value::<INT>("x").unwrap());
Ok(())
}