rhai/examples/arrays_and_structs.rs

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