arel 0.3.8

a sql orm base sqlx
Documentation 
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use super::ValueUnsigned;

/// # Examples
/// Value<u32>
/// ```
/// use arel::prelude::*;
/// use arel::value::sub_value::ValueUnsigned;
/// let v: ValueUnsigned = 1.into();
/// assert_eq!(v, ValueUnsigned(Some(1)));
///```
impl From<u32> for ValueUnsigned {
    fn from(val: u32) -> Self {
        ValueUnsigned(Some(val))
    }
}

/// # Examples
/// Value<u32>
/// ```
/// use arel::prelude::*;
/// use arel::value::sub_value::ValueUnsigned;
/// let v: ValueUnsigned = (&1).into();
/// assert_eq!(v, ValueUnsigned(Some(1)));
///```
impl<T> From<&T> for ValueUnsigned
where
    T: Into<ValueUnsigned> + Clone,
{
    fn from(val: &T) -> Self {
        val.clone().into()
    }
}

/// # Examples
/// Value<u32>
/// ```
/// use arel::prelude::*;
/// use arel::value::sub_value::ValueUnsigned;
/// let v: ValueUnsigned = Some(1).into();
/// assert_eq!(v, ValueUnsigned(Some(1)));
/// let v: ValueUnsigned = Some(&1).into();
/// assert_eq!(v, ValueUnsigned(Some(1)));
///```
impl<T> From<Option<T>> for ValueUnsigned
where
    T: Into<ValueUnsigned>,
{
    fn from(val: Option<T>) -> Self {
        match val {
            Some(value) => value.into(),
            None => ValueUnsigned(None),
        }
    }
}

// === revert ===
impl TryFrom<ValueUnsigned> for Option<u32> {
    type Error = crate::Error;
    fn try_from(value: ValueUnsigned) -> Result<Self, Self::Error> {
        Ok(value.0)
    }
}

impl TryFrom<ValueUnsigned> for u32 {
    type Error = crate::Error;
    fn try_from(value: ValueUnsigned) -> Result<Self, Self::Error> {
        match value.0 {
            Some(v) => Ok(v),
            None => Err(crate::Error::Message("Value is None!".into())),
        }
    }
}