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#[derive(Clone, Debug, Eq, PartialEq)]
pub enum IntOrString {
Int(i32),
String(String),
}
impl Default for IntOrString {
fn default() -> Self {
IntOrString::Int(0)
}
}
impl<'de> serde::Deserialize<'de> for IntOrString {
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 = IntOrString;
fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(formatter, "IntOrString")
}
fn visit_i32<E>(self, v: i32) -> Result<Self::Value, E> where E: serde::de::Error {
Ok(IntOrString::Int(v))
}
fn visit_i64<E>(self, v: i64) -> Result<Self::Value, E> where E: serde::de::Error {
if v < i64::from(i32::min_value()) || v > i64::from(i32::max_value()) {
return Err(serde::de::Error::invalid_value(serde::de::Unexpected::Signed(v), &"a 32-bit integer"));
}
#[allow(clippy::cast_possible_truncation, clippy::cast_sign_loss)]
Ok(IntOrString::Int(v as i32))
}
fn visit_u64<E>(self, v: u64) -> Result<Self::Value, E> where E: serde::de::Error {
#[allow(clippy::cast_sign_loss)]
{
if v > i32::max_value() as u64 {
return Err(serde::de::Error::invalid_value(serde::de::Unexpected::Unsigned(v), &"a 32-bit integer"));
}
}
#[allow(clippy::cast_possible_truncation, clippy::cast_sign_loss)]
Ok(IntOrString::Int(v as i32))
}
fn visit_str<E>(self, v: &str) -> Result<Self::Value, E> where E: serde::de::Error {
self.visit_string(v.to_owned())
}
fn visit_string<E>(self, v: String) -> Result<Self::Value, E> where E: serde::de::Error {
Ok(IntOrString::String(v))
}
}
deserializer.deserialize_any(Visitor)
}
}
impl serde::Serialize for IntOrString {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: serde::Serializer {
match self {
IntOrString::Int(i) => i.serialize(serializer),
IntOrString::String(s) => s.serialize(serializer),
}
}
}