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

use crate::process::traversal::{Order, TraversalBuilder};
use crate::structure::{GValue, T};

pub struct ByStep {
    params: Vec<GValue>,
}

impl ByStep {
    fn new(params: Vec<GValue>) -> Self {
        ByStep { params }
    }
}

impl ByStep {
    pub fn take_params(self) -> Vec<GValue> {
        self.params
    }
}

pub trait IntoByStep {
    fn into_step(self) -> ByStep;
}

impl IntoByStep for () {
    fn into_step(self) -> ByStep {
        ByStep::new(vec![])
    }
}

impl IntoByStep for &str {
    fn into_step(self) -> ByStep {
        ByStep::new(vec![String::from(self).into()])
    }
}

impl IntoByStep for Order {
    fn into_step(self) -> ByStep {
        ByStep::new(vec![self.into()])
    }
}

impl IntoByStep for T {
    fn into_step(self) -> ByStep {
        ByStep::new(vec![self.into()])
    }
}

impl<'a> IntoByStep for (&str, Order) {
    fn into_step(self) -> ByStep {
        ByStep::new(vec![self.0.into(), self.1.into()])
    }
}

impl IntoByStep for (String, Order) {
    fn into_step(self) -> ByStep {
        ByStep::new(vec![self.0.into(), self.1.into()])
    }
}

impl IntoByStep for (TraversalBuilder, Order) {
    fn into_step(self) -> ByStep {
        ByStep::new(vec![self.0.bytecode.into(), self.1.into()])
    }
}
impl IntoByStep for TraversalBuilder {
    fn into_step(self) -> ByStep {
        ByStep::new(vec![self.bytecode.into()])
    }
}