aldrin_core/
unknown_variant.rs

1#[cfg(test)]
2mod test;
3
4use crate::tags::{self, Tag};
5use crate::{
6    Deserialize, DeserializeError, DeserializePrimary, Enum, Serialize, SerializedValue,
7    SerializedValueSlice,
8};
9use std::convert::Infallible;
10
11pub trait AsUnknownVariant {
12    type Value: Serialize<tags::Value>;
13
14    fn id(&self) -> u32;
15    fn value(self) -> Self::Value;
16}
17
18#[derive(Debug, Clone, PartialEq, Eq)]
19pub struct UnknownVariant {
20    id: u32,
21    value: SerializedValue,
22}
23
24impl UnknownVariant {
25    pub fn new(id: u32, value: SerializedValue) -> Self {
26        Self { id, value }
27    }
28
29    pub fn id(&self) -> u32 {
30        self.id
31    }
32
33    pub fn value(&self) -> &SerializedValueSlice {
34        &self.value
35    }
36
37    pub fn into_value(self) -> SerializedValue {
38        self.value
39    }
40
41    pub fn deserialize_as<T: Tag, U: Deserialize<T>>(&self) -> Result<U, DeserializeError> {
42        self.value.deserialize_as()
43    }
44
45    pub fn deserialize<T: DeserializePrimary>(&self) -> Result<T, DeserializeError> {
46        self.deserialize_as()
47    }
48
49    pub fn deserialize_as_value(&self) -> Result<Enum, DeserializeError> {
50        self.deserialize()
51    }
52}
53
54impl AsUnknownVariant for UnknownVariant {
55    type Value = SerializedValue;
56
57    fn id(&self) -> u32 {
58        self.id
59    }
60
61    fn value(self) -> Self::Value {
62        self.value
63    }
64}
65
66impl<'a> AsUnknownVariant for &'a UnknownVariant {
67    type Value = &'a SerializedValueSlice;
68
69    fn id(&self) -> u32 {
70        self.id
71    }
72
73    fn value(self) -> Self::Value {
74        &self.value
75    }
76}
77
78#[derive(Debug, Copy, Clone)]
79pub struct UnknownVariantRef<T> {
80    pub id: u32,
81    pub value: T,
82}
83
84impl<T> UnknownVariantRef<T> {
85    pub fn new(id: u32, value: T) -> Self {
86        Self { id, value }
87    }
88}
89
90impl<T: Serialize<tags::Value>> AsUnknownVariant for UnknownVariantRef<T> {
91    type Value = T;
92
93    fn id(&self) -> u32 {
94        self.id
95    }
96
97    fn value(self) -> Self::Value {
98        self.value
99    }
100}
101
102impl AsUnknownVariant for Infallible {
103    type Value = Self;
104
105    fn id(&self) -> u32 {
106        match *self {}
107    }
108
109    fn value(self) -> Self::Value {
110        self
111    }
112}
aldrin_core/unknown_variant.rs

aldrin_core/
unknown_variant.rs
