jsonlogic 0.1.2

A JsonLogic implementation 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

use serde_json::{json, Value};

use super::logic;

/// Logical negation ("not"). Takes just one argument.
pub fn compute(args: &[Value]) -> Value {
    let a = args.get(0).unwrap_or(&json!(null));

    Value::Bool(!logic::is_truthy(a))
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test() {
        assert_eq!(compute(&[]), Value::Bool(true));
        assert_eq!(compute(&[json!(null)]), Value::Bool(true));
        assert_eq!(compute(&[json!(false)]), Value::Bool(true));
        assert_eq!(compute(&[json!(true)]), Value::Bool(false));
    }
}