rhai/examples/arrays_and_structs.rs
2021-04-20 12:01:35 +08:00

54 lines
1.0 KiB
Rust

use rhai::{Engine, EvalAltResult, INT};
#[derive(Debug, Clone)]
struct TestStruct {
x: INT,
}
impl TestStruct {
pub fn update(&mut self) {
self.x += 1000;
}
pub fn new() -> Self {
Self { x: 1 }
}
}
#[cfg(not(feature = "no_index"))]
#[cfg(not(feature = "no_object"))]
fn main() -> Result<(), Box<EvalAltResult>> {
let mut engine = Engine::new();
engine
.register_type::<TestStruct>()
.register_fn("new_ts", TestStruct::new)
.register_fn("update", TestStruct::update);
let result = engine.eval::<TestStruct>(
"
let x = new_ts();
x.update();
x
",
)?;
println!("{:?}", result);
let result = engine.eval::<TestStruct>(
"
let x = [ new_ts() ];
x[0].update();
x[0]
",
)?;
println!("{:?}", result);
Ok(())
}
#[cfg(any(feature = "no_index", feature = "no_object"))]
fn main() {
panic!("This example does not run under 'no_index' or 'no_object'.")
}