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Indexer as fallback to property.

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This commit is contained in:
Stephen Chung
2021-05-18 20:12:30 +08:00
parent e64dad4e9f
commit dc9b4d7f4d
9 changed files with 155 additions and 79 deletions
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19
tests/get_set.rs
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@@ -1,6 +1,6 @@
#![cfg(not(feature = "no_object"))]
use rhai::{Engine, EvalAltResult, ImmutableString, INT};
use rhai::{Engine, EvalAltResult, INT};
#[test]
fn test_get_set() -> Result<(), Box<EvalAltResult>> {
@@ -46,20 +46,27 @@ fn test_get_set() -> Result<(), Box<EvalAltResult>> {
assert_eq!(engine.eval::<INT>("let a = new_ts(); a.x.add(); a.x")?, 42);
assert_eq!(engine.eval::<INT>("let a = new_ts(); a.y.add(); a.y")?, 0);
#[cfg(not(feature = "no_index"))]
#[cfg(any(not(feature = "no_index"), not(feature = "no_object")))]
{
engine.register_indexer_get_set(
|value: &mut TestStruct, index: ImmutableString| value.array[index.len()],
|value: &mut TestStruct, index: ImmutableString, new_val: INT| {
value.array[index.len()] = new_val
},
|value: &mut TestStruct, index: &str| value.array[index.len()],
|value: &mut TestStruct, index: &str, new_val: INT| value.array[index.len()] = new_val,
);
#[cfg(not(feature = "no_index"))]
assert_eq!(engine.eval::<INT>(r#"let a = new_ts(); a["abc"]"#)?, 4);
#[cfg(not(feature = "no_index"))]
assert_eq!(
engine.eval::<INT>(r#"let a = new_ts(); a["abc"] = 42; a["abc"]"#)?,
42
);
assert_eq!(engine.eval::<INT>(r"let a = new_ts(); a.abc")?, 4);
assert_eq!(
engine.eval::<INT>(r"let a = new_ts(); a.abc = 42; a.abc")?,
42
);
}
Ok(())
}