wtx/de/
encode.rs

1use crate::{de::DEController, misc::Either};
2
3/// Encodes itself into a data format.
4pub trait Encode<DEC>
5where
6  DEC: DEController,
7{
8  /// Performs the conversion.
9  fn encode(&self, ew: &mut DEC::EncodeWrapper<'_, '_, '_>) -> Result<(), DEC::Error>;
10
11  /// If this instance can be desired nullable.
12  #[inline]
13  fn is_null(&self) -> bool {
14    false
15  }
16}
17
18impl Encode<()> for u32 {
19  #[inline]
20  fn encode(&self, _: &mut ()) -> Result<(), crate::Error> {
21    Ok(())
22  }
23}
24
25impl Encode<()> for &str {
26  #[inline]
27  fn encode(&self, _: &mut ()) -> Result<(), crate::Error> {
28    Ok(())
29  }
30}
31
32impl<DEC, T> Encode<DEC> for &T
33where
34  DEC: DEController,
35  T: Encode<DEC>,
36{
37  #[inline]
38  fn encode(&self, ew: &mut DEC::EncodeWrapper<'_, '_, '_>) -> Result<(), DEC::Error> {
39    (**self).encode(ew)
40  }
41
42  #[inline]
43  fn is_null(&self) -> bool {
44    (**self).is_null()
45  }
46}
47
48impl<DEC, T> Encode<DEC> for &mut T
49where
50  DEC: DEController,
51  T: Encode<DEC>,
52{
53  #[inline]
54  fn encode(&self, ew: &mut DEC::EncodeWrapper<'_, '_, '_>) -> Result<(), DEC::Error> {
55    (**self).encode(ew)
56  }
57
58  #[inline]
59  fn is_null(&self) -> bool {
60    (**self).is_null()
61  }
62}
63
64impl<DEC, L, R> Encode<DEC> for Either<L, R>
65where
66  DEC: DEController,
67  L: Encode<DEC>,
68  R: Encode<DEC>,
69{
70  #[inline]
71  fn encode(&self, ew: &mut DEC::EncodeWrapper<'_, '_, '_>) -> Result<(), DEC::Error> {
72    match self {
73      Self::Left(left) => left.encode(ew),
74      Self::Right(right) => right.encode(ew),
75    }
76  }
77
78  #[inline]
79  fn is_null(&self) -> bool {
80    match self {
81      Self::Left(left) => left.is_null(),
82      Self::Right(right) => right.is_null(),
83    }
84  }
85}
86
87impl<DEC> Encode<DEC> for &dyn Encode<DEC>
88where
89  DEC: DEController,
90{
91  #[inline]
92  fn encode(&self, ew: &mut DEC::EncodeWrapper<'_, '_, '_>) -> Result<(), DEC::Error> {
93    (**self).encode(ew)
94  }
95
96  #[inline]
97  fn is_null(&self) -> bool {
98    (**self).is_null()
99  }
100}
101
102impl<DEC, T> Encode<DEC> for Option<T>
103where
104  DEC: DEController,
105  T: Encode<DEC>,
106{
107  #[inline]
108  fn encode(&self, ew: &mut DEC::EncodeWrapper<'_, '_, '_>) -> Result<(), DEC::Error> {
109    match self {
110      None => Ok(()),
111      Some(elem) => elem.encode(ew),
112    }
113  }
114
115  #[inline]
116  fn is_null(&self) -> bool {
117    self.is_none()
118  }
119}
wtx/de/encode.rs

wtx/de/
encode.rs
