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Add a test for visiting unit

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This commit is contained in:
Brandon W Maister 2020-06-05 17:50:00 -04:00
parent 404eed15e9
commit 49b5b70764
1 changed files with 9 additions and 4 deletions
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13
src/datetime.rs
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@ -1542,17 +1542,22 @@ pub mod serde {
/// # #[macro_use] extern crate serde_derive;
/// # #[macro_use] extern crate serde_json;
/// # extern crate chrono;
/// # use chrono::{DateTime, Utc};
/// # use chrono::prelude::*;
/// use chrono::serde::ts_milliseconds_option::deserialize as from_milli_tsopt;
/// #[derive(Deserialize)]
/// #[derive(Deserialize, PartialEq)]
/// struct S {
/// #[serde(deserialize_with = "from_milli_tsopt")]
/// time: Option<DateTime<Utc>>
/// }
///
/// # fn example() -> Result<S, serde_json::Error> {
/// # fn example() -> Result<(), serde_json::Error> {
/// let my_s: S = serde_json::from_str(r#"{ "time": 1526522699918 }"#)?;
/// # Ok(my_s)
/// assert_eq!(my_s.time, Some(Utc.timestamp(1526522699, 918000000)));
/// let s: S = serde_json::from_str(r#"{ "time": null }"#)?;
/// assert!(s.time.is_none());
/// let t: S = serde_json::from_str(r#"{}"#)?;
/// assert!(t.time.is_none());
/// # Ok(())
/// # }
/// # fn main() { example().unwrap(); }
/// ```