cowbytes 0.1.2

Like Cow<[u8]>, but with reference-counted bytes::Bytes instead of an owned Vec<u8>
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
121
122
123
124
125
126
127
128
129
130
131
132
133
134

//! Conversions to and from [`CowBytes`].

use alloc::borrow::Cow;
use alloc::boxed::Box;
use alloc::string::String;
use alloc::vec::Vec;

use bytes::Bytes;

use crate::CowBytes;

impl<'a> From<&'a [u8]> for CowBytes<'a> {
    #[inline]
    fn from(bytes: &'a [u8]) -> Self {
        Self::Borrowed(bytes)
    }
}

impl<'a> From<&'a Vec<u8>> for CowBytes<'a> {
    #[inline]
    fn from(bytes: &'a Vec<u8>) -> Self {
        Self::Borrowed(bytes)
    }
}

impl<'a, const N: usize> From<&'a [u8; N]> for CowBytes<'a> {
    #[inline]
    fn from(bytes: &'a [u8; N]) -> Self {
        Self::Borrowed(bytes)
    }
}

impl<'a> From<&'a str> for CowBytes<'a> {
    #[inline]
    fn from(bytes: &'a str) -> Self {
        Self::Borrowed(bytes.as_bytes())
    }
}

impl<'a> From<&'a String> for CowBytes<'a> {
    #[inline]
    fn from(bytes: &'a String) -> Self {
        Self::Borrowed(bytes.as_bytes())
    }
}

impl From<String> for CowBytes<'_> {
    #[inline]
    fn from(bytes: String) -> Self {
        Self::Shared(Bytes::from(bytes.into_bytes()))
    }
}

impl From<Vec<u8>> for CowBytes<'_> {
    #[inline]
    fn from(bytes: Vec<u8>) -> Self {
        Self::Shared(Bytes::from(bytes))
    }
}

impl From<Box<[u8]>> for CowBytes<'_> {
    #[inline]
    fn from(bytes: Box<[u8]>) -> Self {
        Self::Shared(Bytes::from(bytes))
    }
}

impl<'a> From<Cow<'a, [u8]>> for CowBytes<'a> {
    #[inline]
    fn from(bytes: Cow<'a, [u8]>) -> Self {
        match bytes {
            Cow::Borrowed(bytes) => Self::Borrowed(bytes),
            Cow::Owned(bytes) => Self::Shared(Bytes::from(bytes)),
        }
    }
}

impl<'a> From<Cow<'a, str>> for CowBytes<'a> {
    #[inline]
    fn from(bytes: Cow<'a, str>) -> Self {
        match bytes {
            Cow::Borrowed(bytes) => Self::Borrowed(bytes.as_bytes()),
            Cow::Owned(bytes) => Self::Shared(Bytes::from(bytes.into_bytes())),
        }
    }
}

impl<'a> From<CowBytes<'a>> for Cow<'a, [u8]> {
    #[inline]
    fn from(bytes: CowBytes<'a>) -> Self {
        match bytes {
            CowBytes::Borrowed(bytes) => Cow::Borrowed(bytes),
            bytes @ CowBytes::Shared(_) => Cow::Owned(bytes.into_vec()),
        }
    }
}

impl From<bytes::BytesMut> for CowBytes<'_> {
    #[inline]
    fn from(bytes: bytes::BytesMut) -> Self {
        Self::Shared(bytes.freeze())
    }
}

impl From<Bytes> for CowBytes<'_> {
    #[inline]
    fn from(bytes: Bytes) -> Self {
        Self::Shared(bytes)
    }
}

impl From<CowBytes<'_>> for Bytes {
    #[inline]
    fn from(bytes: CowBytes<'_>) -> Self {
        match bytes {
            CowBytes::Borrowed(bytes) => Self::copy_from_slice(bytes),
            CowBytes::Shared(bytes) => bytes,
        }
    }
}

impl From<CowBytes<'_>> for Vec<u8> {
    #[inline]
    fn from(bytes: CowBytes<'_>) -> Self {
        bytes.into_vec()
    }
}

impl From<CowBytes<'_>> for Box<[u8]> {
    #[inline]
    fn from(bytes: CowBytes<'_>) -> Self {
        bytes.into_vec().into_boxed_slice()
    }
}