Add initial workspace

Signed-off-by: Marcel Müller <neikos@neikos.email>

.gitignore

@@ -1 +1,6 @@
 .direnv/
+
+
+# Added by cargo
+
+/target

Cargo.toml

@@ -0,0 +1,3 @@
+[workspace]
+
+members = [ "lints/*" ]

lints/dashmap-ref/.cargo/config.toml

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+[target.'cfg(all())']
+rustflags = ["-C", "linker=dylint-link"]
+
+# For Rust versions 1.74.0 and onward, the following alternative can be used
+# (see https://github.com/rust-lang/cargo/pull/12535):
+# linker = "dylint-link"

lints/dashmap-ref/.gitignore

@@ -0,0 +1 @@
+/target

lints/dashmap-ref/Cargo.toml

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+[package]
+name = "dashmap_ref"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+clippy_utils = { git = "https://github.com/rust-lang/rust-clippy", rev = "19e305bb57a7595f2a8d81f521c0dd8bf854e739" }
+dylint_linting = "4.0.0"
+
+[dev-dependencies]
+dylint_testing = "4.0.0"
+
+[package.metadata.rust-analyzer]
+rustc_private = true

lints/dashmap-ref/README.md

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+# template
+
+### What it does
+
+### Why is this bad?
+
+### Known problems
+
+Remove if none.
+
+### Example
+
+```rust
+// example code where a warning is issued
+```
+
+Use instead:
+
+```rust
+// example code that does not raise a warning
+```

lints/dashmap-ref/rust-toolchain

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+[toolchain]
+channel = "nightly-2025-01-09"
+components = ["llvm-tools-preview", "rustc-dev"]

lints/dashmap-ref/src/lib.rs

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+#![feature(rustc_private)]
+#![feature(let_chains)]
+#![warn(unused_extern_crates)]
+
+extern crate rustc_arena;
+extern crate rustc_ast;
+extern crate rustc_ast_pretty;
+extern crate rustc_data_structures;
+extern crate rustc_errors;
+extern crate rustc_hir;
+extern crate rustc_hir_pretty;
+extern crate rustc_index;
+extern crate rustc_infer;
+extern crate rustc_lexer;
+extern crate rustc_middle;
+extern crate rustc_mir_dataflow;
+extern crate rustc_parse;
+extern crate rustc_span;
+extern crate rustc_target;
+extern crate rustc_trait_selection;
+
+use rustc_lint::LateLintPass;
+
+dylint_linting::declare_late_lint! {
+    /// ### What it does
+    ///
+    /// ### Why is this bad?
+    ///
+    /// ### Known problems
+    ///
+    /// Remove if none.
+    ///
+    /// ### Example
+    ///
+    /// ```rust
+    /// // example code where a warning is issued
+    /// ```
+    ///
+    /// Use instead:
+    ///
+    /// ```rust
+    /// // example code that does not raise a warning
+    /// ```
+    pub DASHMAP_REF,
+    Warn,
+    "description goes here"
+}
+
+impl<'tcx> LateLintPass<'tcx> for DashmapRef {
+    // A list of things you might check can be found here:
+    // https://doc.rust-lang.org/stable/nightly-rustc/rustc_lint/trait.LateLintPass.html
+}
+
+#[test]
+fn ui() {
+    dylint_testing::ui_test(env!("CARGO_PKG_NAME"), "ui");
+}

lints/dashmap-ref/ui/main.rs

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+fn main() {}