Function optional_timestamp_field

atomic-canonical/src/delegation.rs:607–612

(obj: &Map<String, Value>, key: &str)

}

fn optional_timestamp_field(obj: &Map<String, Value>, key: &str) -> Result<Option<DateTime<Utc>>> {
    match obj.get(key) {
        None | Some(Value::Null) => Ok(None),
        Some(_) => timestamp_field(obj, key).map(Some),
    }
}

#[cfg(test)]
mod tests {