Function serialize

pub fn serialize<S>(
    option_timestamp: &Option<Timestamp>,
    serializer: S,
) -> Result<S::Ok, S::Error>
where
    S: Serializer,

Serialize Option<Timestamp> as timestampValue or nullValue.

Examples

use serde_firestore_value::google::firestore::v1::{value::ValueType, MapValue, Value};
use serde_firestore_value::{from_value, to_value, with::option_timestamp};

#[derive(Debug, Eq, PartialEq, serde::Serialize)]
struct S(#[serde(serialize_with = "option_timestamp::serialize")] Option<prost_types::Timestamp>);

// some
{
    let o = S(Some(prost_types::Timestamp {
        seconds: 1_i64,
        nanos: 2_i32,
    }));
    let v = Value {
        value_type: Some(ValueType::TimestampValue(prost_types::Timestamp {
            seconds: 1_i64,
            nanos: 2_i32,
        })),
    };
    let s = to_value(&o)?;
    assert_eq!(s, v);
}

// none
{
    let o = S(None);
    let v = Value {
        value_type: Some(ValueType::NullValue(0)),
    };
    let s = to_value(&o)?;
    assert_eq!(s, v);
}