37 lines
870 B
Rust
37 lines
870 B
Rust
#![cfg(not(any(feature = "no_index", feature = "no_module")))]
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use rhai::plugin::*;
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use rhai::{Engine, EvalAltResult, INT};
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#[export_module]
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mod special_array_package {
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use rhai::{Array, INT};
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pub fn len(array: &mut Array, mul: INT) -> INT {
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(array.len() as INT) * mul
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}
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}
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#[export_fn]
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fn make_greeting(n: INT) -> String {
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format!("{} {}", n, if n > 1 { "kitties" } else { "kitty" }).into()
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}
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#[test]
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fn test_plugins_package() -> Result<(), Box<EvalAltResult>> {
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let mut engine = Engine::new();
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let mut m = exported_module!(special_array_package);
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register_exported_fn!(m, "greet", make_greeting);
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engine.load_package(m);
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assert_eq!(engine.eval::<INT>("let a = [1, 2, 3]; len(a, 2)")?, 6);
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assert_eq!(
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engine.eval::<String>("let a = [1, 2, 3]; greet(len(a, 2))")?,
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"6 kitties"
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);
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Ok(())
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}
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