arel 0.3.8

a sql orm base sqlx
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

use super::ValueTinyInt;

/// # Examples
/// Value<i8>
/// ```
/// use arel::prelude::*;
/// use arel::value::sub_value::ValueTinyInt;
/// let v: ValueTinyInt = 1.into();
/// assert_eq!(v, ValueTinyInt(Some(1)));
///```
impl From<i8> for ValueTinyInt {
    fn from(val: i8) -> Self {
        Self(Some(val))
    }
}

/// # Examples
/// Value<i8>
/// ```
/// use arel::prelude::*;
/// use arel::value::sub_value::ValueTinyInt;
/// let v: ValueTinyInt = (&1).into();
/// assert_eq!(v, ValueTinyInt(Some(1)));
///```
impl<T> From<&T> for ValueTinyInt
where
    T: Into<ValueTinyInt> + Clone,
{
    fn from(val: &T) -> Self {
        val.clone().into()
    }
}

/// # Examples
/// Value<i8>
/// ```
/// use arel::prelude::*;
/// use arel::value::sub_value::ValueTinyInt;
/// let v: ValueTinyInt = Some(1).into();
/// assert_eq!(v, ValueTinyInt(Some(1)));
/// let v: ValueTinyInt = Some(&1).into();
/// assert_eq!(v, ValueTinyInt(Some(1)));
///```
impl<T> From<Option<T>> for ValueTinyInt
where
    T: Into<ValueTinyInt>,
{
    fn from(val: Option<T>) -> Self {
        match val {
            Some(value) => value.into(),
            None => ValueTinyInt(None),
        }
    }
}

// === revert ===
impl TryFrom<ValueTinyInt> for Option<i8> {
    type Error = crate::Error;
    fn try_from(value: ValueTinyInt) -> Result<Self, Self::Error> {
        Ok(value.0)
    }
}

impl TryFrom<ValueTinyInt> for i8 {
    type Error = crate::Error;
    fn try_from(value: ValueTinyInt) -> Result<Self, Self::Error> {
        match value.0 {
            Some(v) => Ok(v),
            None => Err(crate::Error::Message("Value is None!".into())),
        }
    }
}