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use serde::{Deserialize, Deserializer, Serializer, de};
pub fn serialize<S>(value: &u64, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
if *value == 0 {
serializer.serialize_str("")
} else {
serializer.collect_str(&value)
}
}
pub fn deserialize<'de, D>(deserializer: D) -> Result<u64, D::Error>
where
D: Deserializer<'de>,
{
let str = &String::deserialize(deserializer)?;
if str.is_empty() {
Ok(0)
} else {
str.parse().map_err(de::Error::custom)
}
}
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