chap 2.5.0

Chap is an easy to learn, interpretive, scripting language written in 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
88

use crate::builtin_function::utils::param_to_datatype;
use crate::common::errors::Result;
use crate::{common::executable::ExecutableLine, runtime::Runtime};

pub fn println(runtime: &mut Runtime, executable: &ExecutableLine) -> Result<()> {
    let mut result: Vec<String> = Vec::new();
    for param in &executable.params {
        let dt = param_to_datatype(runtime, Some(param), executable.line_number)?;
        result.push(dt.to_string());
    }
    runtime.std_out(result.join(", ").as_str());

    Ok(())
}

#[cfg(test)]
mod tests {

    use super::*;
    use crate::common::data_type::DataType;
    use crate::common::param::Param;

    #[test]
    fn print_string() {
        let mut runtime = Runtime::new(
            Box::new(|x| {
                assert_eq!(x, "test");
            }),
            Box::new(|| "".to_string()),
        );

        println(
            &mut runtime,
            &ExecutableLine::new(
                1,
                "".to_string(),
                vec![Param::Value(DataType::String("test".to_string()))],
                None,
            ),
        )
        .unwrap();
    }

    #[test]
    fn print_int() {
        let mut runtime = Runtime::new(
            Box::new(|x| {
                assert_eq!(x, "2");
            }),
            Box::new(|| "".to_string()),
        );

        println(
            &mut runtime,
            &ExecutableLine::new(
                1,
                "".to_string(),
                vec![Param::Value(DataType::Int(2))],
                None,
            ),
        )
        .unwrap();
    }

    #[test]
    fn print_many() {
        let mut runtime = Runtime::new(
            Box::new(|x| {
                assert_eq!(x, "2, false");
            }),
            Box::new(|| "".to_string()),
        );

        println(
            &mut runtime,
            &ExecutableLine::new(
                1,
                "".to_string(),
                vec![
                    Param::Value(DataType::Int(2)),
                    Param::Value(DataType::Bool(false)),
                ],
                None,
            ),
        )
        .unwrap();
    }
}