40 lines
1,020 B
Rust
40 lines
1,020 B
Rust
pub mod mime_serialize {
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use mime::Mime;
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use serde::{
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de::{self, Unexpected, Visitor},
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Deserializer,
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Serializer,
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};
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pub fn serialize<S>(data: &Mime, serializer: S) -> Result<S::Ok, S::Error>
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where
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S: Serializer,
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{
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serializer.serialize_str(data.as_ref())
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}
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pub fn deserialize<'de, D>(deserializer: D) -> Result<Mime, D::Error>
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where
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D: Deserializer<'de>,
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{
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struct Vis;
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impl<'de> Visitor<'de> for Vis {
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type Value = Mime;
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fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
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formatter.write_str("a MIME type")
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}
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fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
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where
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E: serde::de::Error,
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{
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v.parse()
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.map_err(|_| de::Error::invalid_value(Unexpected::Str(v), &Vis))
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}
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}
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deserializer.deserialize_str(Vis)
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}
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}
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