Struct ExprWrapper

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pub struct ExprWrapper { /* private fields */ }

Implementations§

Source §

impl ExprWrapper

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pub fn new<S: AsRef<str>>(expression: S) -> ExprWrapper

Examples found in repository ?

examples/example.rs (line 8)

3fn main() {
4    let expression = "float('42.42') == 42.42";
5    let expected = true;
6
7
8    let mut expr = ExprWrapper::new(expression)
9        // .config(Default::default())
10        .config(EvalConfig { // same as Default::default() ^
11            include_maths: true,
12            include_regex: true,
13            include_datetime: true,
14            include_cast: true,
15        })
16        .init();
17
18    match expr.exec() {
19        Ok(value) => {
20            assert_eq!(value, expected);
21        }
22        Err(_err) => {
23            panic!("err={_err:?}");
24        }
25    };
26    // ...
27}

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pub fn config(self, config: EvalConfig) -> ExprWrapper

Examples found in repository ?

examples/example.rs (lines 10-15)

3fn main() {
4    let expression = "float('42.42') == 42.42";
5    let expected = true;
6
7
8    let mut expr = ExprWrapper::new(expression)
9        // .config(Default::default())
10        .config(EvalConfig { // same as Default::default() ^
11            include_maths: true,
12            include_regex: true,
13            include_datetime: true,
14            include_cast: true,
15        })
16        .init();
17
18    match expr.exec() {
19        Ok(value) => {
20            assert_eq!(value, expected);
21        }
22        Err(_err) => {
23            panic!("err={_err:?}");
24        }
25    };
26    // ...
27}

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pub fn init(self) -> ExprWrapper

Examples found in repository ?

examples/example.rs (line 16)

3fn main() {
4    let expression = "float('42.42') == 42.42";
5    let expected = true;
6
7
8    let mut expr = ExprWrapper::new(expression)
9        // .config(Default::default())
10        .config(EvalConfig { // same as Default::default() ^
11            include_maths: true,
12            include_regex: true,
13            include_datetime: true,
14            include_cast: true,
15        })
16        .init();
17
18    match expr.exec() {
19        Ok(value) => {
20            assert_eq!(value, expected);
21        }
22        Err(_err) => {
23            panic!("err={_err:?}");
24        }
25    };
26    // ...
27}

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pub fn value<T, V>(self, name: T, value: V) -> ExprWrapper
where T: Into<String>, V: Serialize,

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pub fn function<T, F>(self, name: T, function: F) -> ExprWrapper
where T: Into<String>, F: 'static + Fn(Vec<Value>) -> Result<Value, Error> + Sync + Send,

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pub fn exec(&mut self) -> Result<Value, Error>

Examples found in repository ?

examples/example.rs (line 18)

3fn main() {
4    let expression = "float('42.42') == 42.42";
5    let expected = true;
6
7
8    let mut expr = ExprWrapper::new(expression)
9        // .config(Default::default())
10        .config(EvalConfig { // same as Default::default() ^
11            include_maths: true,
12            include_regex: true,
13            include_datetime: true,
14            include_cast: true,
15        })
16        .init();
17
18    match expr.exec() {
19        Ok(value) => {
20            assert_eq!(value, expected);
21        }
22        Err(_err) => {
23            panic!("err={_err:?}");
24        }
25    };
26    // ...
27}