68 lines
1.4 KiB
Rust
68 lines
1.4 KiB
Rust
//! An example showing how to register a Rust type and use it with arrays.
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#[cfg(any(feature = "no_index", feature = "no_object"))]
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fn main() {
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panic!("This example does not run under 'no_index' or 'no_object'.")
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}
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use rhai::{Engine, EvalAltResult};
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#[cfg(not(feature = "no_index"))]
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#[cfg(not(feature = "no_object"))]
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fn main() -> Result<(), Box<EvalAltResult>> {
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#[derive(Debug, Clone)]
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struct TestStruct {
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x: i64,
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}
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impl TestStruct {
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pub fn new() -> Self {
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Self { x: 1 }
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}
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pub fn update(&mut self) {
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self.x += 1000;
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}
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}
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let mut engine = Engine::new();
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engine
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.register_type_with_name::<TestStruct>("TestStruct")
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.register_fn("new_ts", TestStruct::new)
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.register_fn("update", TestStruct::update);
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#[cfg(feature = "metadata")]
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{
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println!("Functions registered:");
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engine
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.gen_fn_signatures(false)
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.into_iter()
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.for_each(|func| println!("{func}"));
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println!();
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}
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let result = engine.eval::<TestStruct>(
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"
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let x = new_ts();
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x.update();
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x
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",
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)?;
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println!("{result:?}");
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let result = engine.eval::<TestStruct>(
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"
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let x = [ new_ts() ];
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x[0].update();
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x[0]
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",
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)?;
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println!("{result:?}");
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Ok(())
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}
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