20 lines
379 B
Rust
20 lines
379 B
Rust
//! An example showing how to register a simple Rust function.
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use rhai::{Engine, EvalAltResult};
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fn add(x: i64, y: i64) -> i64 {
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x + y
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}
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fn main() -> Result<(), Box<EvalAltResult>> {
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let mut engine = Engine::new();
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engine.register_fn("add", add);
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let result = engine.eval::<i64>("add(40, 2)")?;
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println!("Answer: {result}"); // prints 42
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Ok(())
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}
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