Switch to Rust, lol

.clangd

···
-CompileFlags:
-  # Let clangd see your real warnings from compile_commands.json
-  # and also apply these extra default flags:
-  Add: [
-    "-std=c23",
-    "-Wall",
-    "-Wextra",
-    "-Wpedantic",
-    "-Wshadow",
-    "-Wconversion",
-    "-Wuninitialized",
-    "-Wundef",
-    "-Werror=implicit-function-declaration"
-  ]
-
-Diagnostics:
-  # Enable ALL clang compiler diagnostics (this is the big one)
-  ClangTidy:
-    Add:
-      - clang-diagnostic-*      # enables clang's own warnings
-      - clang-analyzer-*        # enables static analyzer checks
-      - bugprone-assign-if-reversed
-      - bugprone-signal-handler
-      - bugprone-suspicious-memory-comparison
-      - readability-misleading-indentation
-
-    Remove:
-      # Remove C++-only checks that annoy C programmers.
-      - modernize-*
-      - cppcoreguidelines-*
-      - readability-identifier-naming
-      - readability-magic-numbers
-      - llvm-*
-      - hicpp-*
-      - google-*
-      - performance-*
-      - portability-*
-      - misc-non-private-member-variables-in-classes
-
-  # Make warnings more like the real clang compiler
-  MissingIncludes: true
-  UnusedIncludes: true
-
-# Use the default formatter
-Formatting:
-  Style: file
-
-InlayHints:
-  Enabled: true

.gitignore

···
 .jj/
 .git/
 target/
+
+
+# Added by cargo
+
+/target

Cargo.lock

···
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "clog"
+version = "0.1.0"

Cargo.toml

···
+[package]
+name = "clog"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

compile_commands.json

···
-[
-  {
-    "directory": ".",
-    "file": "src/main.c",
-    "command": "clang -std=c23 src/main.c"
-  }
-]

flake.lock

···
 {
   "nodes": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "naersk",
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1752475459,
+        "narHash": "sha256-z6QEu4ZFuHiqdOPbYss4/Q8B0BFhacR8ts6jO/F/aOU=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "bf0d6f70f4c9a9cf8845f992105652173f4b617f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "naersk": {
+      "inputs": {
+        "fenix": "fenix",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1763384566,
+        "narHash": "sha256-r+wgI+WvNaSdxQmqaM58lVNvJYJ16zoq+tKN20cLst4=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "d4155d6ebb70fbe2314959842f744aa7cabbbf6a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1763948260,
-        "narHash": "sha256-dY9qLD0H0zOUgU3vWacPY6Qc421BeQAfm8kBuBtPVE0=",
+        "lastModified": 1752077645,
+        "narHash": "sha256-HM791ZQtXV93xtCY+ZxG1REzhQenSQO020cu6rHtAPk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1c8ba8d3f7634acac4a2094eef7c32ad9106532c",
+        "rev": "be9e214982e20b8310878ac2baa063a961c1bdf6",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-25.05",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1764445028,
+        "narHash": "sha256-ik6H/0Zl+qHYDKTXFPpzuVHSZE+uvVz2XQuQd1IVXzo=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a09378c0108815dbf3961a0e085936f4146ec415",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "flake-utils": "flake-utils",
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs_2"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1752428706,
+        "narHash": "sha256-EJcdxw3aXfP8Ex1Nm3s0awyH9egQvB2Gu+QEnJn2Sfg=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "591e3b7624be97e4443ea7b5542c191311aa141d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
       }
     }
   },

flake.nix

···
 {
-  description = "CK's stupid blog engine";
-
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+    flake-utils.url = "github:numtide/flake-utils";
+    naersk.url = "github:nix-community/naersk";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
   };
 
-  outputs = { self, nixpkgs, ... }:
-  let
-    systems = [
-      "x86_64-linux"
-      "aarch64-linux"
-      "x86_64-darwin"
-      "aarch64-darwin"
-    ];
-
-    forAllSystems = f:
-      builtins.listToAttrs (map (system: {
-        name = system;
-        value = f system;
-      }) systems);
-  in {
-    packages = forAllSystems (system:
+  outputs = { self, flake-utils, naersk, nixpkgs }:
+    flake-utils.lib.eachDefaultSystem (system:
       let
-        pkgs = nixpkgs.legacyPackages.${system};
-      in {
-        ck-clog = pkgs.stdenv.mkDerivation {
-          pname = "ck-clog";
-          version = "0.1";
+        pkgs = (import nixpkgs) {
+          inherit system;
+        };
+
+        naersk' = pkgs.callPackage naersk {};
 
-          # Leave your directory structure:
+      in rec {
+        defaultPackage = naersk'.buildPackage {
           src = ./.;
-
-          buildPhase = ''
-            make release
-          '';
-
-          installPhase = ''
-            mkdir -p $out/bin
-            cp target/release $out/bin/ck-clog
-          '';
         };
 
-        default = self.packages.${system}.ck-clog;
-      });
-
-    apps = forAllSystems (system: {
-      default = {
-        type = "app";
-        # Correct binary path (was /bin/hello)
-        program = "${self.packages.${system}.ck-clog}/bin/ck-clog";
-      };
-    });
-
-    defaultPackage = self.packages;
-    defaultApp = self.apps;
-
-    devShells = forAllSystems (system:
-      let
-        pkgs = nixpkgs.legacyPackages.${system};
-      in {
-        default = pkgs.mkShell {
-          name = "ck-clog-dev";
-
-          buildInputs = [
-            # C Compiler
-            pkgs.gcc 
-            # C LSP and other tools
-            pkgs.clang-tools
+        devShell = pkgs.mkShell {
+          nativeBuildInputs = with pkgs; [
+            cargo
+            rust-analyzer
+            rustc
+            rustfmt
           ];
         };
-      });
-  };
+      }
+    );
 }
-

makefile

···
-# Source
-SRC      := src/main.c
-
-# Output binaries
-DEBUG_BIN   := target/debug
-RELEASE_BIN := target/release
-
-# Common flags (always applied)
-COMMON_CFLAGS := -std=c23 \
-                 -Wall -Wextra -Wpedantic -Wshadow \
-                 -Wconversion -Wuninitialized -Wundef \
-                 -Werror=implicit-function-declaration
-
-# Debug-only flags
-DEBUG_CFLAGS := -fsanitize=address,undefined -g
-
-# Release-only flags
-# Do NOT specify -O2 or -O3; Nix stdenv already injects optimization flags.
-RELEASE_CFLAGS :=
-
-.PHONY: debug release clean
-
-debug: $(DEBUG_BIN)
-
-$(DEBUG_BIN): $(SRC)
-	mkdir -p target
-	$(CC) $(COMMON_CFLAGS) $(DEBUG_CFLAGS) $< -o $@
-
-release: $(RELEASE_BIN)
-
-$(RELEASE_BIN): $(SRC)
-	mkdir -p target
-	$(CC) $(COMMON_CFLAGS) $(RELEASE_CFLAGS) $< -o $@
-
-clean:
-	rm -rf target

src/main.c

···
-#include <stdio.h>
-
-int main(int argc, char **argv) {
-  if (argc < 3) {
-    puts("Usage: clog <input dir> <output dir>");
-    return 1;
-  }
-  char *input_dir = argv[1];
-  char *output_dir = argv[2];
-  printf("input dir: %s\n", input_dir);
-  printf("output dir: %s\n", output_dir);
-  return 0;
-}

src/main.rs

···
+fn main() {
+    println!("Hello, world?");
+}