ci: add GitHub Action

.github/workflows/ci.yml

@@ -0,0 +1,30 @@
+name: "ci"
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+env:
+  CARGO_TERM_COLOR: "always"
+
+jobs:
+  ci:
+    runs-on: "ubuntu-latest"
+    strategy:
+      matrix:
+        rust-version: ["1.79.0", "stable"]
+    steps:
+      - uses: "actions/checkout@v4.1.7"
+
+      - uses: "dtolnay/rust-toolchain@master"
+        with:
+          toolchain: "${{ matrix.rust-version }}"
+          components: "clippy, rustfmt"
+
+      - run: "rustc --version"
+      - run: "cargo build --verbose"
+      - run: "cargo test --verbose"
+      - run: "cargo clippy --verbose -- -D warnings"
+      - run: "cargo fmt -- --check"

README.md

@@ -57,11 +57,11 @@ cargo build --release
 
 # Usage: ./target/release/billion_row_challenge <input_file_path>
 
-# Example with the tests fixture data
+# Example with fixture data
 ./target/release/billion_row_challenge ./tests/fixtures/10/input.txt
 
 # Example with the 1 billion row data (not included in the repository, needs to be generated)
-./target/release/billion_row_challenge measurements.txt
+./target/release/billion_row_challenge ./1brc/measurements.txt
 ```
 
 ### Generate the 1 Billion Row Data (~12GB)