Add readme-sync

Author: daxpedda

README.md

@@ -98,8 +98,8 @@ enum Example<T> {
 ### Skipping fields
 
 With a `skip` or `skip_inner` attribute fields can be skipped for traits
-that allow it, which are: [`Debug`], [`Hash`], [`Ord`](https://doc.rust-lang.org/core/cmp/trait.Ord.html), [`PartialOrd`](https://doc.rust-lang.org/core/cmp/trait.PartialOrd.html),
-[`PartialEq`](https://doc.rust-lang.org/core/cmp/trait.PartialEq.html) and [`Zeroize`].
+that allow it, which are: [`Debug`], [`Hash`], [`Ord`], [`PartialOrd`],
+[`PartialEq`] and [`Zeroize`].
 
 ```rust
 #[derive(DeriveWhere)]
@@ -151,7 +151,7 @@ assert_ne!(
 [`Zeroize`] has three options:
 - `crate`: an item-level option which specifies a path to the `zeroize`
   crate in case of a re-export or rename.
-- `drop`: an item-level option which implements [`Drop`](https://doc.rust-lang.org/core/ops/trait.Drop.html) and uses
+- `drop`: an item-level option which implements [`Drop`] and uses
   [`Zeroize`] to erase all data from memory.
 - `fqs`: a field -level option which will use fully-qualified-syntax instead
   of calling the [`zeroize`][`method@zeroize`] method on `self` directly.
@@ -184,15 +184,15 @@ assert_eq!(test.0, 0);
 ### Supported traits
 
 The following traits can be derived with derive-where:
-- [`Clone`](https://doc.rust-lang.org/core/clone/trait.Clone.html)
-- [`Copy`](https://doc.rust-lang.org/core/marker/trait.Copy.html)
+- [`Clone`]
+- [`Copy`]
 - [`Debug`]
 - [`Default`]
-- [`Eq`](https://doc.rust-lang.org/core/cmp/trait.Eq.html)
+- [`Eq`]
 - [`Hash`]
-- [`Ord`](https://doc.rust-lang.org/core/cmp/trait.Ord.html)
-- [`PartialEq`](https://doc.rust-lang.org/core/cmp/trait.PartialEq.html)
-- [`PartialOrd`](https://doc.rust-lang.org/core/cmp/trait.PartialOrd.html)
+- [`Ord`]
+- [`PartialEq`]
+- [`PartialOrd`]
 - [`Zeroize`]: Only available with the `zeroize` crate feature.
 
 ### Supported items
@@ -202,24 +202,23 @@ it's best to discourage usage that could be covered by std's `derive`. For
 example unit structs and enums only containing unit variants aren't
 supported.
 
-Unions only support [`Clone`](https://doc.rust-lang.org/core/clone/trait.Clone.html) and [`Copy`](https://doc.rust-lang.org/core/marker/trait.Copy.html).
+Unions only support [`Clone`] and [`Copy`].
 
 ### `no_std` support
 
 `no_std` support is provided by default.
 
 ## Crate features
 
-- `nightly`: Implements [`Ord`](https://doc.rust-lang.org/core/cmp/trait.Ord.html) and [`PartialOrd`](https://doc.rust-lang.org/core/cmp/trait.PartialOrd.html) with the help of
-  [`core::intrinsics::discriminant_value`](https://doc.rust-lang.org/core/intrinsics/fn.discriminant_value.html), which is what Rust does by
-  default too. Without this feature [`transmute`](https://doc.rust-lang.org/core/mem/fn.transmute.html) is
-  used to convert [`Discriminant`](https://doc.rust-lang.org/core/mem/struct.Discriminant.html) to a [`i32`](https://doc.rust-lang.org/core/primitive.i32.html),
-  which is the underlying type.
-- `safe`: Implements [`Ord`](https://doc.rust-lang.org/core/cmp/trait.Ord.html) and [`PartialOrd`](https://doc.rust-lang.org/core/cmp/trait.PartialOrd.html) manually. This is much
+- `nightly`: Implements [`Ord`] and [`PartialOrd`] with the help of
+  [`core::intrinsics::discriminant_value`], which is what Rust does by
+  default too. Without this feature [`transmute`] is used to convert
+  [`Discriminant`] to a [`i32`], which is the underlying type.
+- `safe`: Implements [`Ord`] and [`PartialOrd`] manually. This is much
   slower, but might be preferred if you don't trust derive-where. It also
-  replaces all cases of [`core::hint::unreachable_unchecked`](https://doc.rust-lang.org/core/hint/fn.unreachable_unchecked.html) in [`Ord`](https://doc.rust-lang.org/core/hint/fn.unreachable_unchecked.html),
-  [`PartialEq`](https://doc.rust-lang.org/core/cmp/trait.PartialEq.html) and [`PartialOrd`](https://doc.rust-lang.org/core/cmp/trait.PartialOrd.html), which is what std uses, with
-  [`unreachable`](https://doc.rust-lang.org/core/macro.unreachable.html).
+  replaces all cases of [`core::hint::unreachable_unchecked`] in [`Ord`],
+  [`PartialEq`] and [`PartialOrd`], which is what std uses, with
+  [`unreachable`].
 - `zeroize`: Allows deriving [`Zeroize`].
 
 ## MSRV
@@ -258,9 +257,22 @@ conditions.
 [CHANGELOG]: https://github.com/ModProg/derive-where/blob/main/CHANGELOG.md
 [LICENSE-MIT]: https://github.com/ModProg/derive-where/blob/main/LICENSE-MIT
 [LICENSE-APACHE]: https://github.com/ModProg/derive-where/blob/main/LICENSE-APACHE
+[`Clone`]: https://doc.rust-lang.org/core/clone/trait.Clone.html
+[`Copy`]: https://doc.rust-lang.org/core/marker/trait.Copy.html
 [`Debug`]: https://doc.rust-lang.org/core/fmt/trait.Debug.html
 [`Default`]: https://doc.rust-lang.org/core/default/trait.Default.html
+[`Drop`]: https://doc.rust-lang.org/core/ops/trait.Drop.html
+[`Eq`]: https://doc.rust-lang.org/core/cmp/trait.Eq.html
 [`Hash`]: https://doc.rust-lang.org/core/hash/trait.Hash.html
+[`Ord`]: https://doc.rust-lang.org/core/cmp/trait.Ord.html)
+[`PartialOrd`]: https://doc.rust-lang.org/core/cmp/trait.PartialOrd.html
+[`PartialEq`]: https://doc.rust-lang.org/core/cmp/trait.PartialEq.html
 [`Zeroize`]: https://docs.rs/zeroize/latest/zeroize/trait.Zeroize.html
 [`method@zeroize`]: https://docs.rs/zeroize/latest/zeroize/trait.Zeroize.html#tymethod.zeroize
+[`core::hint::unreachable_unchecked`]: https://doc.rust-lang.org/core/hint/fn.unreachable_unchecked.html
+[`core::intrinsics::discriminant_value`]: https://doc.rust-lang.org/core/intrinsics/fn.discriminant_value.html
+[`Discriminant`]: https://doc.rust-lang.org/core/mem/struct.Discriminant.html
+[`i32`]: https://doc.rust-lang.org/core/primitive.i32.html
+[`transmute`]: https://doc.rust-lang.org/core/mem/fn.transmute.html
+[`unreachable`]: https://doc.rust-lang.org/core/macro.unreachable.html
 [#27]: https://github.com/ModProg/derive-where/issues/27

non-msrv-tests/Cargo.toml

@@ -13,6 +13,8 @@ zeroize = ["derive-where/zeroize"]
 derive-where = { path = ".." }
 
 [dev-dependencies]
+pulldown-cmark-to-cmark = "7"
+readme-sync = "0.2"
 trybuild = { version = "1", default-features = false }
 zeroize_ = { version = "1", package = "zeroize", default-features = false }
 

non-msrv-tests/src/lib.rs

@@ -10,3 +10,35 @@ fn ui() {
 	#[cfg(not(feature = "zeroize"))]
 	TestCases::new().compile_fail("tests/ui/not-zeroize/*.rs");
 }
+
+#[test]
+fn readme_sync() {
+	use readme_sync::{assert_sync, CMarkDocs, CMarkReadme, Config, Package};
+
+	let package = Package::from_path("..".into()).unwrap();
+	let config = Config::from_package_docs_rs_features(&package);
+	let readme = CMarkReadme::from_package(&package).unwrap();
+	let docs = CMarkDocs::from_package_and_config(&package, &config).unwrap();
+
+	let readme = readme
+		.remove_badges_paragraph()
+		.remove_documentation_section();
+
+	let docs = docs
+		.increment_heading_levels()
+		.add_package_title()
+		.remove_codeblock_rust_test_tags()
+		.use_default_codeblock_rust_tag()
+		.remove_hidden_rust_code();
+
+	match std::env::var("WRITE_README") {
+		Ok(value) if value == "1" => {
+			let mut file = String::new();
+			pulldown_cmark_to_cmark::cmark(docs.iter_events(), &mut file, None).unwrap();
+			std::fs::write("../README.md", file).unwrap();
+		}
+		_ => (),
+	}
+
+	assert_sync(&readme, &docs);
+}

src/lib.rs

@@ -248,9 +248,8 @@
 //!
 //! - `nightly`: Implements [`Ord`] and [`PartialOrd`] with the help of
 //!   [`core::intrinsics::discriminant_value`], which is what Rust does by
-//!   default too. Without this feature [`transmute`](core::mem::transmute) is
-//!   used to convert [`Discriminant`](core::mem::Discriminant) to a [`i32`],
-//!   which is the underlying type.
+//!   default too. Without this feature [`transmute`] is used to convert
+//!   [`Discriminant`] to a [`i32`], which is the underlying type.
 //! - `safe`: Implements [`Ord`] and [`PartialOrd`] manually. This is much
 //!   slower, but might be preferred if you don't trust derive-where. It also
 //!   replaces all cases of [`core::hint::unreachable_unchecked`] in [`Ord`],
@@ -294,11 +293,24 @@
 //! [CHANGELOG]: https://github.com/ModProg/derive-where/blob/main/CHANGELOG.md
 //! [LICENSE-MIT]: https://github.com/ModProg/derive-where/blob/main/LICENSE-MIT
 //! [LICENSE-APACHE]: https://github.com/ModProg/derive-where/blob/main/LICENSE-APACHE
-//! [`Debug`]: core::fmt::Debug
-//! [`Default`]: core::default::Default
-//! [`Hash`]: core::hash::Hash
+//! [`Clone`]: https://doc.rust-lang.org/core/clone/trait.Clone.html
+//! [`Copy`]: https://doc.rust-lang.org/core/marker/trait.Copy.html
+//! [`Debug`]: https://doc.rust-lang.org/core/fmt/trait.Debug.html
+//! [`Default`]: https://doc.rust-lang.org/core/default/trait.Default.html
+//! [`Drop`]: https://doc.rust-lang.org/core/ops/trait.Drop.html
+//! [`Eq`]: https://doc.rust-lang.org/core/cmp/trait.Eq.html
+//! [`Hash`]: https://doc.rust-lang.org/core/hash/trait.Hash.html
+//! [`Ord`]: https://doc.rust-lang.org/core/cmp/trait.Ord.html)
+//! [`PartialOrd`]: https://doc.rust-lang.org/core/cmp/trait.PartialOrd.html
+//! [`PartialEq`]: https://doc.rust-lang.org/core/cmp/trait.PartialEq.html
 //! [`Zeroize`]: https://docs.rs/zeroize/latest/zeroize/trait.Zeroize.html
 //! [`method@zeroize`]: https://docs.rs/zeroize/latest/zeroize/trait.Zeroize.html#tymethod.zeroize
+//! [`core::hint::unreachable_unchecked`]: https://doc.rust-lang.org/core/hint/fn.unreachable_unchecked.html
+//! [`core::intrinsics::discriminant_value`]: https://doc.rust-lang.org/core/intrinsics/fn.discriminant_value.html
+//! [`Discriminant`]: https://doc.rust-lang.org/core/mem/struct.Discriminant.html
+//! [`i32`]: https://doc.rust-lang.org/core/primitive.i32.html
+//! [`transmute`]: https://doc.rust-lang.org/core/mem/fn.transmute.html
+//! [`unreachable`]: https://doc.rust-lang.org/core/macro.unreachable.html
 //! [#27]: https://github.com/ModProg/derive-where/issues/27
 
 // MSRV: needed to support a lower MSRV.