From f5fb8d1e78c20a12a390c721dc624aff88a49697 Mon Sep 17 00:00:00 2001
From: Benjamin Brienen <Benjamin.Brienen@outlook.com>
Date: Thu, 26 Dec 2024 21:07:49 -0500
Subject: [PATCH] fix cfg and features

---
 .github/workflows/ci.yml              |  2 +-
 .github/workflows/weekly.yml          |  6 ++++--
 Cargo.toml                            | 23 +++++++++++++++++++++++
 README.md                             |  2 +-
 benches/Cargo.toml                    |  4 ----
 examples/demonstrations/all_tuples.rs |  5 +++++
 src/lib.rs                            |  4 +++-
 7 files changed, 37 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 58d0224..66855b2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -108,7 +108,7 @@ jobs:
           toolchain: stable
       - name: Check Compile
         run: |
-          cargo test --target-dir ../../../target
+          cargo test --workspace
           cargo check --benches --target-dir ../target --manifest-path ./benches/Cargo.toml
           cargo check --workspace --examples
           cargo check --workspace
diff --git a/.github/workflows/weekly.yml b/.github/workflows/weekly.yml
index cf8ff1a..6f8037e 100644
--- a/.github/workflows/weekly.yml
+++ b/.github/workflows/weekly.yml
@@ -59,7 +59,7 @@ jobs:
           toolchain: stable
       - name: Check Compile
         run: |
-          cargo test --target-dir ../../../target
+          cargo test --workspace
           cargo check --benches --target-dir ../target --manifest-path ./benches/Cargo.toml
           cargo check --workspace --examples
           cargo check --workspace
@@ -72,7 +72,9 @@ jobs:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@beta
       - name: Build and check docs
-        run: cargo run -p ci -- doc
+        run: |
+          cargo test --workspace --doc --no-fail-fast
+          cargo doc --workspace --all-features --no-deps --document-private-items --keep-going
         env:
           CARGO_INCREMENTAL: 0
           RUSTFLAGS: "-C debuginfo=0 --cfg docsrs_dep"
diff --git a/Cargo.toml b/Cargo.toml
index 2ca1ce1..c7bfc39 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -52,6 +52,29 @@ unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docsrs_dep)'] }
 unsafe_code = "deny"
 unsafe_op_in_unsafe_fn = "warn"
 unused_qualifications = "warn"
+internal_features = { level = "allow" }
+
+[lints.rust]
+missing_docs = "warn"
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docsrs_dep)'] }
+unsafe_code = "deny"
+unsafe_op_in_unsafe_fn = "warn"
+unused_qualifications = "warn"
+internal_features = { level = "allow" }
+
+[profile.release]
+opt-level = 3
+lto = true
+
+[package.metadata.docs.rs]
+# This cfg is needed so that #[doc(fake_variadic)] is correctly propagated for
+# impls for re-exported traits. See https://github.com/rust-lang/cargo/issues/8811
+# for details on why this is needed. Since dependencies don't expect to be built
+# with `--cfg docsrs` (and thus fail to compile), we use a different cfg.
+rustc-args = ["--cfg", "docsrs_dep"]
+rustdoc-args = ["-Zunstable-options", "--generate-link-to-definition"]
+all-features = true
+cargo-args = ["-Zunstable-options", "-Zrustdoc-scrape-examples"]
 
 # Examples
 
diff --git a/README.md b/README.md
index 77cf841..a358a1e 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 [![Downloads](https://img.shields.io/crates/d/variadics_please.svg)](https://crates.io/crates/variadics_please)
 [![Docs](https://docs.rs/variadics_please/badge.svg)](https://docs.rs/variadics_please/latest/variadics_please/)
 
-Provides a macro for implementing traits on variadic types.
+Provides macros for implementing traits on variadic types.
 
 ## Contributing
 
diff --git a/benches/Cargo.toml b/benches/Cargo.toml
index 9a61f2b..9bb72f5 100644
--- a/benches/Cargo.toml
+++ b/benches/Cargo.toml
@@ -10,10 +10,6 @@ rand = "0.8"
 rand_chacha = "0.3"
 criterion = { version = "0.3", features = ["html_reports"] }
 
-[profile.release]
-opt-level = 3
-lto = true
-
 [[bench]]
 name = "dummy"
 path = "benches/dummy.rs"
diff --git a/examples/demonstrations/all_tuples.rs b/examples/demonstrations/all_tuples.rs
index 0d89270..0c3c0b6 100644
--- a/examples/demonstrations/all_tuples.rs
+++ b/examples/demonstrations/all_tuples.rs
@@ -1,9 +1,14 @@
+//! An example of using `all_tuples!`
+
 use variadics_please::all_tuples;
 
 fn main() {}
 
+/// For demonstration
 pub trait Foo {
+    /// For demonstration
     const FOO_HARDER: bool;
+    /// For demonstration
     fn foo() -> bool;
 }
 
diff --git a/src/lib.rs b/src/lib.rs
index dfc5775..c7c1e64 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,8 @@
+//! Provides macros for implementing traits on variadic types.
+
 // FIXME(15321): solve CI failures, then replace with `#![expect()]`.
 #![allow(missing_docs, reason = "Not all docs are written yet, see #3492.")]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(any(docsrs, docsrs_dep), feature(doc_auto_cfg, rustdoc_internals))]
 
 use proc_macro::TokenStream;
 use proc_macro2::{Literal, Span as Span2, TokenStream as TokenStream2};