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use bson; use chrono; use serde::{ de::{Deserialize, Deserializer}, ser::{Serialize, Serializer}, }; pub fn chrono_as_bson<S>( data: &chrono::DateTime<chrono::Utc>, serializer: S, ) -> Result<S::Ok, S::Error> where S: Serializer, { bson::UtcDateTime::from(*data).serialize(serializer) } pub fn bson_as_chrono<'de, D>(data: D) -> Result<chrono::DateTime<chrono::Utc>, D::Error> where D: Deserializer<'de>, { bson::UtcDateTime::deserialize(data).and_then(|d| Ok(chrono::DateTime::from(d.clone()))) } pub fn chrono_as_bson_optional<S>( data: &Option<chrono::DateTime<chrono::Utc>>, serializer: S, ) -> Result<S::Ok, S::Error> where S: Serializer, { match data { Some(d) => bson::UtcDateTime::from(*d).serialize(serializer), _ => serializer.serialize_none(), } } pub fn bson_as_chrono_optional<'de, D>( data: D, ) -> Result<Option<chrono::DateTime<chrono::Utc>>, D::Error> where D: Deserializer<'de>, { match bson::UtcDateTime::deserialize(data) { Ok(d) => Ok(Some(chrono::DateTime::from(d))), _ => Ok(None), } }