rhai 0.15.0

Embedded scripting for Rust
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87

#![feature(test)]

///! Test evaluating expressions
extern crate test;

use rhai::{Engine, OptimizationLevel};
use test::Bencher;

#[bench]
fn bench_eval_array_small_get(bench: &mut Bencher) {
    let script = "let x = [1, 2, 3, 4, 5]; x[3]";

    let mut engine = Engine::new();
    engine.set_optimization_level(OptimizationLevel::None);

    let ast = engine.compile(script).unwrap();

    bench.iter(|| engine.consume_ast(&ast).unwrap());
}

#[bench]
fn bench_eval_array_small_set(bench: &mut Bencher) {
    let script = "let x = [1, 2, 3, 4, 5]; x[3] = 42;";

    let mut engine = Engine::new();
    engine.set_optimization_level(OptimizationLevel::None);

    let ast = engine.compile(script).unwrap();

    bench.iter(|| engine.consume_ast(&ast).unwrap());
}

#[bench]
fn bench_eval_array_large_get(bench: &mut Bencher) {
    let script = r#"let x = [ 1, 2.345, "hello", true,
                                [ 1, 2, 3, [ "hey", [ "deeply", "nested" ], "jude" ] ]
                            ];
                            x[4][3][1][1]
    "#;

    let mut engine = Engine::new();
    engine.set_optimization_level(OptimizationLevel::None);

    let ast = engine.compile(script).unwrap();

    bench.iter(|| engine.consume_ast(&ast).unwrap());
}

#[bench]
fn bench_eval_array_large_set(bench: &mut Bencher) {
    let script = r#"let x = [ 1, 2.345, "hello", true,
                                [ 1, 2, 3, [ "hey", [ "deeply", "nested" ], "jude" ] ]
                            ];
                            x[4][3][1][1] = 42
    "#;

    let mut engine = Engine::new();
    engine.set_optimization_level(OptimizationLevel::None);

    let ast = engine.compile(script).unwrap();

    bench.iter(|| engine.consume_ast(&ast).unwrap());
}

#[bench]
fn bench_eval_array_loop(bench: &mut Bencher) {
    let script = r#"
            let list = [];
            
            for i in range(0, 10_000) {
                list.push(i);
            }

            let sum = 0;

            for i in list {
                sum += i;
            }
        "#;

    let mut engine = Engine::new();
    engine.set_optimization_level(OptimizationLevel::None);

    let ast = engine.compile(script).unwrap();

    bench.iter(|| engine.consume_ast(&ast).unwrap());
}