#[derive(Clone, Debug, Default, PartialEq)]
pub struct Quantity(pub String);
impl<'de> serde::Deserialize<'de> for Quantity {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: serde::Deserializer<'de> {
struct Visitor;
impl<'de> serde::de::Visitor<'de> for Visitor {
type Value = Quantity;
fn expecting(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "Quantity")
}
fn visit_newtype_struct<D>(self, deserializer: D) -> Result<Self::Value, D::Error> where D: serde::Deserializer<'de> {
Ok(Quantity(serde::Deserialize::deserialize(deserializer)?))
}
}
deserializer.deserialize_newtype_struct("Quantity", Visitor)
}
}
impl serde::Serialize for Quantity {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: serde::Serializer {
serializer.serialize_newtype_struct("Quantity", &self.0)
}
}