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Remove associated constants workaround

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This has been stable since Rust 1.20.
This commit is contained in:
David Tolnay 2017-10-22 11:54:39 -07:00
parent 422191fcb0
commit ab7c003b64
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GPG Key ID: F9BA143B95FF6D82
1 changed files with 5 additions and 3 deletions
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8
serde/src/de/mod.rs
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@ -1027,6 +1027,10 @@ pub trait Deserializer<'de>: Sized {
/// # /// #
/// # struct Timestamp; /// # struct Timestamp;
/// # /// #
/// # impl Timestamp {
/// # const EPOCH: Timestamp = Timestamp;
/// # }
/// #
/// # impl FromStr for Timestamp { /// # impl FromStr for Timestamp {
/// # type Err = String; /// # type Err = String;
/// # fn from_str(_: &str) -> Result<Self, Self::Err> { /// # fn from_str(_: &str) -> Result<Self, Self::Err> {
@ -1040,7 +1044,7 @@ pub trait Deserializer<'de>: Sized {
/// # fn seconds(_: u64) -> Self { unimplemented!() } /// # fn seconds(_: u64) -> Self { unimplemented!() }
/// # } /// # }
/// # /// #
/// # impl Add<Duration> for () { /// # impl Add<Duration> for Timestamp {
/// # type Output = Timestamp; /// # type Output = Timestamp;
/// # fn add(self, _: Duration) -> Self::Output { /// # fn add(self, _: Duration) -> Self::Output {
/// # unimplemented!() /// # unimplemented!()
@ -1058,8 +1062,6 @@ pub trait Deserializer<'de>: Sized {
/// let s = String::deserialize(deserializer)?; /// let s = String::deserialize(deserializer)?;
/// Timestamp::from_str(&s).map_err(de::Error::custom) /// Timestamp::from_str(&s).map_err(de::Error::custom)
/// } else { /// } else {
/// # // Make it look like an associated constant but compile on older rustc.
/// # mod Timestamp { pub const EPOCH: () = (); }
/// // Deserialize from a compact binary representation, seconds since /// // Deserialize from a compact binary representation, seconds since
/// // the Unix epoch. /// // the Unix epoch.
/// let n = u64::deserialize(deserializer)?; /// let n = u64::deserialize(deserializer)?;