Unfortunately due to rust-lang/rust#39935 placing the annotation on the `impl`s
of `Encodable`/`Decodable` for the various items have no effect whatsoever, so
we need to place it on some type that chrono actually uses internally. The only
*type* that I can find that only exists for rustc-serialize only is the
`TsSeconds` struct.
So, marking TsSeconds deprecated causes Chrono's internal uses of `TsSeconds`
to emit deprecation warnings, both in our builds and for packages that specify
Chrono as a dependency with the `rustc-serialize` feature active. This means
that the current commit will cause a `warning: use of deprecated item:
RustcSerialize will be removed before chrono 1.0, use Serde instead` to appear
in `cargo build` output.
Unfortunately I don't think that it's possible for downstream crates to disable
the warning the warning in any way other than actually switching to Serde or
using an older chrono. That's the reason for all the `#[allow(deprecated)]`
through the code, it means that the warning appears almost exactly once,
instead of dozens of times.
Rather than the `num` meta-crate, use `num-integer` and `num-traits`
without default features to make them `#[no_std]`. `num-iter` is
just a dev-dependency now for a few test cases.
The only public change is the `impl FromPrimitive for Weekday`, but this
is still the same exact trait that `num` re-exports, so this is not a
breaking change.
Rust is going to change its Markdown rendering engine from hoedown to
pulldown-cmark. In pulldown, a table row starting with just whitespaces
will cause that whole cell disappeared. This causes rendering difference
between the two engines.
To fix this, we add leading and trailing `|` to the rows so that empty
cells are correctly rendered.
Was using static but that's only supported as of rustc 1.17 (rust
these older versions. Also continue using the copious explicit 'static
lifetimes for the same compatibility, despite the clippy lint.
These additions allow convenient control of RFC 3339 formatted output:
* Number of subsecond digits to display
* Whether to use the 'Z' variant, instead of "+00:00" for TZ offset
0, UTC.
...while remaining faithful to the RFC 3339. The implementation uses
the existing formatting Item mechanism.
github: cc: #157#178
Brandon W Maister
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Toby Dimmick
Jethro Beekman
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Philipp Hansch
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Lance Carlson
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