25 lines
685 B
Rust
25 lines
685 B
Rust
use serde::{Deserializer, Deserialize, Serializer, de::Unexpected};
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pub(crate) fn serialize<S>(u: &Option<u64>, serializer: S) -> Result<S::Ok, S::Error>
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where S: Serializer,
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{
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match *u {
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Some(u) => serializer.serialize_str(&u.to_string()),
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None => serializer.serialize_none(),
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}
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}
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pub(crate) fn deserialize<'de, D>(deserializer: D) -> Result<Option<u64>, D::Error>
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where D: Deserializer<'de>
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{
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let s: Option<String> = Deserialize::deserialize(deserializer)?;
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let s = match s {
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Some(s) => s,
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None => return Ok(None),
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};
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s
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.parse()
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.map_err(|_| serde::de::Error::invalid_value(Unexpected::Str(&s), &"string containing a u64"))
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.map(Some)
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}
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