Add integration with Paralight

Cargo.toml

@@ -39,6 +39,7 @@ redundant_else = "allow"
 foldhash = { version = "0.2.0", default-features = false, optional = true }
 
 # For external trait impls
+paralight = { version = "0.0.10", optional = true }
 rayon = { version = "1.9.0", optional = true }
 serde_core = { version = "1.0.221", default-features = false, optional = true }
 
@@ -107,5 +108,5 @@ default-hasher = ["dep:foldhash"]
 inline-more = []
 
 [package.metadata.docs.rs]
-features = ["nightly", "rayon", "serde", "raw-entry"]
+features = ["nightly", "paralight", "rayon", "serde", "raw-entry"]
 rustdoc-args = ["--generate-link-to-definition"]

README.md

@@ -58,6 +58,7 @@ This crate has the following Cargo features:
 - `nightly`: Enables nightly-only features including: `#[may_dangle]`.
 - `serde`: Enables serde serialization support.
 - `rayon`: Enables rayon parallel iterator support.
+- `paralight`: Enables paralight parallel iterator support.
 - `equivalent`: Allows comparisons to be customized with the `Equivalent` trait. (enabled by default)
 - `raw-entry`: Enables access to the deprecated `RawEntry` API.
 - `inline-more`: Adds inline hints to most functions, improving run-time performance at the cost

ci/run.sh

@@ -33,7 +33,7 @@ if [ "${NO_STD}" = "1" ]; then
     FEATURES="rustc-internal-api"
     OP="build"
 else
-    FEATURES="rustc-internal-api,serde,rayon"
+    FEATURES="rustc-internal-api,serde,rayon,paralight"
     OP="test"
 fi
 

ci/tools.sh

@@ -29,14 +29,14 @@ if rustc --version | grep --quiet nightly ; then
     export RUSTDOCFLAGS="-Zunstable-options --check"
 fi
 
-cargo doc --no-deps --features serde,rayon
+cargo doc --no-deps --features serde,rayon,paralight
 
 if retry rustup component add rustfmt ; then
     cargo fmt --all -- --check
 fi
 
 if retry rustup component add clippy ; then
-    cargo clippy --all --tests --features serde,rayon -- -D warnings
+    cargo clippy --all --tests --features serde,rayon,paralight -- -D warnings
 fi
 
 if command -v taplo ; then

src/external_trait_impls/mod.rs

@@ -1,3 +1,5 @@
+#[cfg(feature = "paralight")]
+mod paralight;
 #[cfg(feature = "rayon")]
 pub(crate) mod rayon;
 #[cfg(feature = "serde")]