rhai/examples/hello.rs

use rhai::{Engine, EvalAltResult};

fn main() -> Result<(), Box<EvalAltResult>> {
    let engine = Engine::new();

    engine.run(r#"print("hello, world!")"#)?;

    let result = engine.eval::<i64>("40 + 2")?;

    println!("Answer: {}", result); // prints 42

    Ok(())
}
Use run and i64 instead of eval and INT for examples. 2022-01-11 22:12:46 +08:00			`use rhai::{Engine, EvalAltResult};`
Fix type register visibility. Add a few more examples 2016-03-03 11:08:34 -05:00
Make all public API's return Box<EvalAltResult> to reduce footprint. 2020-04-21 23:25:12 +08:00			`fn main() -> Result<(), Box<EvalAltResult>> {`
Use Engine::new(). 2020-10-07 15:52:24 +08:00			`let engine = Engine::new();`
Fix type register visibility. Add a few more examples 2016-03-03 11:08:34 -05:00
Change Engine::consume_XXX to Engine::run_XXX. 2021-08-06 14:46:27 +08:00			`engine.run(r#"print("hello, world!")"#)?;`
Refine examples. 2021-02-20 23:46:25 +08:00
Use run and i64 instead of eval and INT for examples. 2022-01-11 22:12:46 +08:00			`let result = engine.eval::<i64>("40 + 2")?;`
Use ? operator for examples. 2020-03-09 16:54:43 +08:00
			`println!("Answer: {}", result); // prints 42`

			`Ok(())`
Rewrite Rhai function dispatching 2017-12-20 12:16:14 +01:00			`}`