parsy 0.5.6

An easy-to-use, efficient parser combinators library
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

pub trait Container<T> {
    fn create() -> Self;
    fn with_capacity(size: usize) -> Self;
    fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Self;

    fn add(&mut self, value: T);
}

impl<T> Container<T> for Vec<T> {
    fn create() -> Self {
        vec![]
    }

    fn with_capacity(size: usize) -> Self {
        Vec::with_capacity(size)
    }

    fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Self {
        iter.into_iter().collect()
    }

    fn add(&mut self, value: T) {
        Vec::push(self, value);
    }
}

impl Container<char> for String {
    fn create() -> Self {
        String::new()
    }

    fn with_capacity(size: usize) -> Self {
        String::with_capacity(size)
    }

    fn from_iter<I: IntoIterator<Item = char>>(iter: I) -> Self {
        iter.into_iter().collect()
    }

    fn add(&mut self, value: char) {
        self.push(value)
    }
}

impl Container<String> for String {
    fn create() -> Self {
        String::new()
    }

    fn with_capacity(size: usize) -> Self {
        String::with_capacity(size)
    }

    fn from_iter<I: IntoIterator<Item = String>>(iter: I) -> Self {
        iter.into_iter().collect()
    }

    fn add(&mut self, value: String) {
        self.push_str(&value)
    }
}

#[derive(Clone, Copy)]
pub struct NoAllocContainer;

impl<T> Container<T> for NoAllocContainer {
    fn create() -> Self {
        Self
    }

    fn with_capacity(_: usize) -> Self {
        Self
    }

    fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Self {
        // Trigger the iterator to trigger panics etc.
        iter.into_iter().count();
        Self
    }

    fn add(&mut self, _: T) {}
}