31 lines
744 B
Rust
31 lines
744 B
Rust
pub mod string {
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use std::fmt::Display;
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use std::str::FromStr;
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use serde::{de, Deserialize, Deserializer, Serializer};
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pub fn serialize<T, S>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
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where
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T: Display,
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S: Serializer,
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{
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serializer.collect_str(value)
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}
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pub fn deserialize<'de, T, D>(deserializer: D) -> Result<T, D::Error>
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where
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T: FromStr,
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T::Err: Display,
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D: Deserializer<'de>,
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{
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String::deserialize(deserializer)?
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.parse()
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.map_err(de::Error::custom)
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}
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}
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/// Return true if the given value is the default for that type.
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pub fn is_default<T: Default + PartialEq>(t: &T) -> bool {
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t == &T::default()
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}
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