489 lines
12 KiB
Rust
489 lines
12 KiB
Rust
#![cfg(not(feature = "no_index"))]
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use rhai::{Array, Dynamic, Engine, EvalAltResult, ParseErrorType, INT};
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#[test]
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fn test_arrays() -> Result<(), Box<EvalAltResult>> {
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let mut a = Array::new();
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a.push((42 as INT).into());
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assert_eq!(a[0].clone_cast::<INT>(), 42);
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let engine = Engine::new();
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assert_eq!(engine.eval::<INT>("let x = [1, 2, 3]; x[1]")?, 2);
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assert_eq!(engine.eval::<INT>("let x = [1, 2, 3,]; x[1]")?, 2);
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assert_eq!(engine.eval::<INT>("let y = [1, 2, 3]; y[1] = 5; y[1]")?, 5);
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assert_eq!(
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engine.eval::<char>(r#"let y = [1, [ 42, 88, "93" ], 3]; y[1][2][1]"#)?,
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'3'
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);
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assert_eq!(engine.eval::<INT>("let y = [1, 2, 3]; y[0]")?, 1);
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assert_eq!(engine.eval::<INT>("let y = [1, 2, 3]; y[-1]")?, 3);
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assert_eq!(engine.eval::<INT>("let y = [1, 2, 3]; y[-3]")?, 1);
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assert!(engine.eval::<bool>("let y = [1, 2, 3]; 2 in y")?);
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assert!(engine.eval::<bool>("let y = [1, 2, 3]; 42 !in y")?);
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assert_eq!(engine.eval::<INT>("let y = [1, 2, 3]; y += 4; y[3]")?, 4);
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assert_eq!(
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engine.eval::<INT>("let y = [1, 2, 3]; pad(y, 5, 42); len(y)")?,
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5
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);
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assert_eq!(
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engine.eval::<INT>("let y = [1, 2, 3]; pad(y, 5, [42]); len(y)")?,
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5
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);
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assert_eq!(
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engine.eval::<INT>("let y = [1, 2, 3]; pad(y, 5, [42, 999, 123]); y[4][0]")?,
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42
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);
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assert_eq!(
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engine
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.eval::<Dynamic>("let y = [1, 2, 3]; y[1] += 4; y")?
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.into_typed_array::<INT>()?,
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[1, 6, 3]
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);
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assert_eq!(
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engine
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.eval::<Dynamic>("let y = [1, 2, 3]; extract(y, 1, 10)")?
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.into_typed_array::<INT>()?,
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vec![2, 3]
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);
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assert_eq!(
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engine
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.eval::<Dynamic>("let y = [1, 2, 3]; extract(y, -3, 1)")?
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.into_typed_array::<INT>()?,
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vec![1]
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);
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assert_eq!(
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engine
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.eval::<Dynamic>("let y = [1, 2, 3]; extract(y, -99, 2)")?
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.into_typed_array::<INT>()?,
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vec![1, 2]
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);
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assert_eq!(
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engine
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.eval::<Dynamic>("let y = [1, 2, 3]; extract(y, 99, 1)")?
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.into_typed_array::<INT>()?,
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vec![] as Vec<INT>
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);
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#[cfg(not(feature = "no_object"))]
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{
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assert_eq!(
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engine
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.eval::<Dynamic>("let y = [1, 2, 3]; y.push(4); y")?
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.into_typed_array::<INT>()?,
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[1, 2, 3, 4]
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);
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assert_eq!(
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engine
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.eval::<Dynamic>("let y = [1, 2, 3]; y.insert(0, 4); y")?
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.into_typed_array::<INT>()?,
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[4, 1, 2, 3]
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);
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assert_eq!(
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engine
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.eval::<Dynamic>("let y = [1, 2, 3]; y.insert(999, 4); y")?
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.into_typed_array::<INT>()?,
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[1, 2, 3, 4]
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);
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assert_eq!(
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engine
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.eval::<Dynamic>("let y = [1, 2, 3]; y.insert(-2, 4); y")?
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.into_typed_array::<INT>()?,
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[1, 4, 2, 3]
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);
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assert_eq!(
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engine
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.eval::<Dynamic>("let y = [1, 2, 3]; y.insert(-999, 4); y")?
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.into_typed_array::<INT>()?,
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[4, 1, 2, 3]
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);
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assert_eq!(
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engine.eval::<INT>("let y = [1, 2, 3]; let z = [42]; y[z.len]")?,
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2
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);
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assert_eq!(
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engine.eval::<INT>("let y = [1, 2, [3, 4, 5, 6]]; let z = [42]; y[2][z.len]")?,
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4
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);
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assert_eq!(
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engine.eval::<INT>("let y = [1, 2, 3]; let z = [2]; y[z[0]]")?,
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3
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);
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assert_eq!(
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engine
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.eval::<Dynamic>(
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"
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let x = [2, 9];
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x.insert(-1, 1);
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x.insert(999, 3);
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x.insert(-9, 99);
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let r = x.remove(2);
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let y = [4, 5];
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x.append(y);
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x
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"
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)?
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.into_typed_array::<INT>()?,
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[99, 2, 9, 3, 4, 5]
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);
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}
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assert_eq!(
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engine
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.eval::<Dynamic>(
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"
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let x = [1, 2, 3];
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x += [4, 5];
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x
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"
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)?
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.into_typed_array::<INT>()?,
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[1, 2, 3, 4, 5]
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);
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assert_eq!(
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engine
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.eval::<Dynamic>(
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"
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let x = [1, 2, 3];
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let y = [4, 5];
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x + y
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"
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)?
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.into_typed_array::<INT>()?,
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[1, 2, 3, 4, 5]
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);
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#[cfg(not(feature = "no_closure"))]
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assert!(!engine.eval::<bool>(
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"
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let x = 42;
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let y = [];
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let f = || x;
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for n in 0..10 {
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y += x;
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}
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some(y, |x| is_shared(x))
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"
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)?);
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let value = vec![
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String::from("hello"),
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String::from("world"),
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String::from("foo"),
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String::from("bar"),
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];
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let array: Dynamic = value.into();
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assert_eq!(array.type_name(), "array");
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let array = array.cast::<Array>();
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assert_eq!(array[0].type_name(), "string");
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assert_eq!(array.len(), 4);
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Ok(())
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}
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#[test]
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fn test_array_index_types() -> Result<(), Box<EvalAltResult>> {
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let engine = Engine::new();
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engine.compile("[1, 2, 3][0]['x']")?;
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assert!(matches!(
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engine
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.compile("[1, 2, 3]['x']")
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.expect_err("should error")
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.err_type(),
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ParseErrorType::MalformedIndexExpr(..)
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));
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#[cfg(not(feature = "no_float"))]
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assert!(matches!(
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engine
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.compile("[1, 2, 3][123.456]")
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.expect_err("should error")
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.err_type(),
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ParseErrorType::MalformedIndexExpr(..)
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));
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assert!(matches!(
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engine
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.compile("[1, 2, 3][()]")
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.expect_err("should error")
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.err_type(),
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ParseErrorType::MalformedIndexExpr(..)
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));
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assert!(matches!(
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engine
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.compile(r#"[1, 2, 3]["hello"]"#)
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.expect_err("should error")
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.err_type(),
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ParseErrorType::MalformedIndexExpr(..)
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));
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assert!(matches!(
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engine
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.compile("[1, 2, 3][true && false]")
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.expect_err("should error")
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.err_type(),
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ParseErrorType::MalformedIndexExpr(..)
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));
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Ok(())
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}
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#[test]
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#[cfg(not(feature = "no_object"))]
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fn test_array_with_structs() -> Result<(), Box<EvalAltResult>> {
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#[derive(Clone)]
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struct TestStruct {
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x: INT,
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}
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impl TestStruct {
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fn update(&mut self) {
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self.x += 1000;
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}
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fn get_x(&mut self) -> INT {
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self.x
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}
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fn set_x(&mut self, new_x: INT) {
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self.x = new_x;
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}
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fn new() -> Self {
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Self { x: 1 }
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}
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}
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let mut engine = Engine::new();
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engine.register_type::<TestStruct>();
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engine.register_get_set("x", TestStruct::get_x, TestStruct::set_x);
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engine.register_fn("update", TestStruct::update);
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engine.register_fn("new_ts", TestStruct::new);
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assert_eq!(engine.eval::<INT>("let a = [new_ts()]; a[0].x")?, 1);
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assert_eq!(
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engine.eval::<INT>(
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"
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let a = [new_ts()];
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a[0].x = 100;
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a[0].update();
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a[0].x
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"
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)?,
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1100
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);
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Ok(())
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}
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#[cfg(not(feature = "no_object"))]
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#[cfg(not(feature = "no_function"))]
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#[cfg(not(feature = "no_closure"))]
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#[test]
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fn test_arrays_map_reduce() -> Result<(), Box<EvalAltResult>> {
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let engine = Engine::new();
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assert_eq!(engine.eval::<INT>("[1].map(|x| x + 41)[0]")?, 42);
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assert_eq!(engine.eval::<INT>("([1].map(|x| x + 41))[0]")?, 42);
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assert_eq!(
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engine.eval::<INT>("let c = 40; let y = 1; [1].map(|x, i| c + x + y + i)[0]")?,
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42
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);
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assert_eq!(
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engine
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.eval::<Dynamic>(
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"
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let x = [1, 2, 3];
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x.filter(|v| v > 2)
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"
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)?
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.into_typed_array::<INT>()?,
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[3]
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);
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assert_eq!(
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engine
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.eval::<Dynamic>(
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"
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let x = [1, 2, 3];
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x.filter(|v, i| v > i)
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"
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)?
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.into_typed_array::<INT>()?,
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[1, 2, 3]
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);
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assert_eq!(
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engine
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.eval::<Dynamic>(
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"
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let x = [1, 2, 3];
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x.map(|v| v * 2)
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"
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)?
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.into_typed_array::<INT>()?,
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[2, 4, 6]
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);
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assert_eq!(
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engine
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.eval::<Dynamic>(
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"
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let x = [1, 2, 3];
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x.map(|v, i| v * i)
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"
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)?
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.into_typed_array::<INT>()?,
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[0, 2, 6]
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);
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assert_eq!(
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engine.eval::<INT>(
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r#"
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let x = [1, 2, 3];
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x.reduce(|sum, v| if sum.type_of() == "()" { v * v } else { sum + v * v })
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"#
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)?,
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14
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);
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assert_eq!(
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engine.eval::<INT>(
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"
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let x = [1, 2, 3];
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x.reduce(|sum, v, i| {
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if i == 0 { sum = 10 }
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sum + v * v
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})
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"
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)?,
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24
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);
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assert_eq!(
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engine.eval::<INT>(
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r#"
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let x = [1, 2, 3];
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x.reduce_rev(|sum, v| if sum.type_of() == "()" { v * v } else { sum + v * v })
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"#
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)?,
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14
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);
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assert_eq!(
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engine.eval::<INT>(
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"
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let x = [1, 2, 3];
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x.reduce_rev(|sum, v, i| { if i == 2 { sum = 10 } sum + v * v })
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"
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)?,
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24
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);
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assert!(engine.eval::<bool>(
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"
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let x = [1, 2, 3];
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x.some(|v| v > 1)
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"
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)?);
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assert!(engine.eval::<bool>(
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"
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let x = [1, 2, 3];
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x.some(|v, i| v * i == 0)
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"
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)?);
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assert!(!engine.eval::<bool>(
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"
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let x = [1, 2, 3];
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x.all(|v| v > 1)
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"
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)?);
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assert!(engine.eval::<bool>(
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"
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let x = [1, 2, 3];
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x.all(|v, i| v > i)
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"
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)?);
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assert_eq!(
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engine.eval::<INT>(
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"
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let x = [1, 2, 3];
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x.find(|v| v > 2)
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"
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)?,
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3
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);
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assert_eq!(
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engine.eval::<INT>(
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"
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let x = [1, 2, 3];
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x.find(|v, i| v * i == 6)
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"
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)?,
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3
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);
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assert_eq!(
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engine.eval::<()>(
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"
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let x = [1, 2, 3, 2, 1];
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x.find(|v| v > 4)
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"
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)?,
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()
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);
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assert_eq!(
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engine.eval::<INT>(
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"
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let x = [#{alice: 1}, #{bob: 2}, #{clara: 3}];
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x.find_map(|v| v.bob)
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"
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)?,
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2
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);
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assert_eq!(
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engine.eval::<()>(
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"
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let x = [#{alice: 1}, #{bob: 2}, #{clara: 3}];
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x.find_map(|v| v.dave)
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"
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)?,
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()
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);
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Ok(())
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}
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#[test]
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fn test_arrays_elvis() -> Result<(), Box<EvalAltResult>> {
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let engine = Engine::new();
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assert_eq!(engine.eval::<()>("let x = (); x?[2]")?, ());
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engine.run("let x = (); x?[2] = 42")?;
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Ok(())
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}
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