blazingly fast

.cargo/config.toml

@@ -0,0 +1,17 @@
+# Add the contents of this file to `config.toml` to enable "fast build" configuration. Please read the notes below.
+
+# NOTE: For maximum performance, build using a nightly compiler
+# If you are using rust stable, remove the "-Zshare-generics=y" below.
+
+[target.x86_64-unknown-linux-gnu]
+linker = "clang"
+rustflags = ["-Clink-arg=-fuse-ld=mold", "-Zshare-generics=y"]
+
+# [target.x86_64-pc-windows-msvc]
+# linker = "rust-lld.exe"
+# rustflags = ["-Zshare-generics=n"]
+
+# Optional: Uncommenting the following improves compile times, but reduces the amount of debug info to 'line number tables only'
+# In most cases the gains are negligible, but if you are on macos and have slow compile times you should see significant gains.
+#[profile.dev]
+#debug = 1

flake.nix

@@ -28,7 +28,7 @@
       # cf. https://crane.dev/API.html#libcleancargosource
       src = craneLib.cleanCargoSource ./.;
       # compile-time
-      nativeBuildInputs = with pkgs; [ rustToolchain pkg-config yt-dlp alsa-lib ];
+      nativeBuildInputs = with pkgs; [ rustToolchain clang mold-wrapped pkg-config alsa-lib ];
       # runtime
       buildInputs = with pkgs; [ yt-dlp alsa-lib ]; # needed system libraries
       cargoArtifacts = craneLib.buildDepsOnly { inherit src buildInputs nativeBuildInputs; };

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "stable"
+channel = "nightly"
 components = [ "rustfmt", "clippy", "rust-src" ]