ndjson-stream 0.1.0

A library to read NDJSON-formatted data in a streaming manner.
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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120

//! This module defines the [AsBytes] with baseline implementations.

use std::borrow::Cow;
use std::rc::Rc;
use std::sync::Arc;

#[cfg(feature = "bytes")]
use bytes::{Bytes, BytesMut};

/// A trait for types which represent a contiguous block of bytes, such as `&[u8]` or `Vec<u8>`.
pub trait AsBytes {

    /// Gets a slice of the entire block of bytes contained in this instance.
    fn as_bytes(&self) -> &[u8];
}

impl AsBytes for [u8] {
    fn as_bytes(&self) -> &[u8] {
        self
    }
}

impl<const LEN: usize> AsBytes for [u8; LEN] {
    fn as_bytes(&self) -> &[u8] {
        self
    }
}

impl AsBytes for Vec<u8> {
    fn as_bytes(&self) -> &[u8] {
        self
    }
}

impl AsBytes for str {
    fn as_bytes(&self) -> &[u8] {
        str::as_bytes(self)
    }
}

impl AsBytes for String {
    fn as_bytes(&self) -> &[u8] {
        self.as_str().as_bytes()
    }
}

#[cfg(feature = "bytes")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "bytes")))]
impl AsBytes for Bytes {
    fn as_bytes(&self) -> &[u8] {
        self.as_ref()
    }
}

#[cfg(feature = "bytes")]
#[cfg_attr(doc_cfg, doc(cfg(feature = "bytes")))]
impl AsBytes for BytesMut {
    fn as_bytes(&self) -> &[u8] {
        self.as_ref()
    }
}

impl<T: AsBytes + ?Sized> AsBytes for &T {
    fn as_bytes(&self) -> &[u8] {
        T::as_bytes(self)
    }
}

impl<T: AsBytes + ?Sized> AsBytes for &mut T {
    fn as_bytes(&self) -> &[u8] {
        T::as_bytes(self)
    }
}

impl<T: AsBytes + ?Sized> AsBytes for Box<T> {
    fn as_bytes(&self) -> &[u8] {
        self.as_ref().as_bytes()
    }
}

impl<'cow, T: AsBytes + Clone + ?Sized> AsBytes for Cow<'cow, T> {
    fn as_bytes(&self) -> &[u8] {
        self.as_ref().as_bytes()
    }
}

impl<T: AsBytes + ?Sized> AsBytes for Rc<T> {
    fn as_bytes(&self) -> &[u8] {
        self.as_ref().as_bytes()
    }
}

impl<T: AsBytes + ?Sized> AsBytes for Arc<T> {
    fn as_bytes(&self) -> &[u8] {
        self.as_ref().as_bytes()
    }
}

#[cfg(all(test, feature = "bytes"))]
mod bytes_tests {

    use bytes::Bytes;
    use kernal::prelude::*;

    use super::*;

    #[test]
    fn bytes_works() {
        let bytes = Bytes::from(&[1, 2, 3][..]);

        assert_that!(bytes.as_bytes()).contains_exactly_in_given_order([1, 2, 3]);
    }

    #[test]
    fn bytes_mut_works() {
        let bytes_mut = BytesMut::from(&[3, 2, 1][..]);

        assert_that!(bytes_mut.as_bytes()).contains_exactly_in_given_order([3, 2, 1]);
    }
}