macro_rules! serialize_as_str {
($ty:ty, $desc:literal) => {
impl serde::Serialize for $ty {
fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
serializer.serialize_str(&self.to_string())
}
}
impl<'de> serde::Deserialize<'de> for $ty {
fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
struct Visitor();
impl<'de> serde::de::Visitor<'de> for Visitor {
type Value = $ty;
fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
formatter.write_str(concat!("string containing ", $desc))
}
fn visit_str<E: serde::de::Error>(self, v: &str) -> Result<Self::Value, E> {
<$ty>::from_str(v)
.map_err(|_| E::custom(concat!("Expected string containing ", $desc)))
}
}
deserializer.deserialize_str(Visitor())
}
}
async_graphql::scalar!($ty);
};
}
pub(crate) use serialize_as_str;