Use GitHub Actions

.github/workflows/ci.yml

@@ -0,0 +1,128 @@
+name: CI
+
+on:
+  schedule:
+    - cron: '0 0 1 * *'
+  push:
+  pull_request:
+
+jobs:
+  rustfmt:
+    strategy:
+      fail-fast: false
+      matrix:
+        # Breaking changes like this might be mixed into the future stable versions.
+        # https://github.com/rust-lang/rustfmt/pull/3632
+        channel:
+          - 1.38.0
+          - stable
+
+    name: Rustfmt (${{ matrix.channel }})
+    runs-on: ubuntu-18.04
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+
+      - name: rust-toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.channel }}-x86_64-unknown-linux-gnu
+          override: true
+          profile: default
+
+      - name: '`cargo fmt -- --check`'
+        uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check
+
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        toolchain:
+          # `x86_64-pc-windows-msvc` is tier 1 **for now**.
+          - 1.38.0-x86_64-pc-windows-msvc
+          - 1.38.0-x86_64-pc-windows-gnu
+          - 1.38.0-x86_64-apple-darwin
+          - 1.38.0-x86_64-unknown-linux-gnu
+          - stable-x86_64-pc-windows-msvc
+          - stable-x86_64-pc-windows-gnu
+          - stable-x86_64-apple-darwin
+          - stable-x86_64-unknown-linux-gnu
+          - beta-x86_64-pc-windows-msvc
+          - beta-x86_64-pc-windows-gnu
+          - beta-x86_64-apple-darwin
+          - beta-x86_64-unknown-linux-gnu
+        include:
+          - toolchain: 1.38.0-x86_64-pc-windows-msvc
+            os: windows-latest
+          - toolchain: 1.38.0-x86_64-pc-windows-gnu
+            os: windows-latest
+          - toolchain: 1.38.0-x86_64-apple-darwin
+            os: macOS-latest
+          - toolchain: 1.38.0-x86_64-unknown-linux-gnu
+            os: ubuntu-18.04
+          - toolchain: stable-x86_64-pc-windows-msvc
+            os: windows-latest
+          - toolchain: stable-x86_64-pc-windows-gnu
+            os: windows-latest
+          - toolchain: stable-x86_64-apple-darwin
+            os: macOS-latest
+          - toolchain: stable-x86_64-unknown-linux-gnu
+            os: ubuntu-18.04
+          - toolchain: beta-x86_64-pc-windows-msvc
+            os: windows-latest
+          - toolchain: beta-x86_64-pc-windows-gnu
+            os: windows-latest
+          - toolchain: beta-x86_64-apple-darwin
+            os: macOS-latest
+          - toolchain: beta-x86_64-unknown-linux-gnu
+            os: ubuntu-18.04
+
+    name: ${{ matrix.toolchain }}
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: '`git config --global core.autocrlf false`'
+        run: git config --global core.autocrlf false
+        if: matrix.os == 'windows-latest'
+
+      - name: Checkout
+        uses: actions/checkout@v1
+
+      - name: rust-toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.toolchain }}
+          override: true
+          profile: default
+
+      - name: Determine features
+        id: features
+        run: |
+          if ${{ matrix.os == 'windows-latest' }}; then
+            echo '::set-output name=features::--no-default-features'
+          else
+            echo '::set-output name=features::--all-features'
+          fi
+        shell: bash
+
+      - name: '`cargo clippy`'
+        uses: actions-rs/cargo@v1
+        with:
+          command: clippy
+          args: ${{ steps.features.outputs.features }} -- -D warnings
+
+      - name: '`cargo test`'
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: ${{ steps.features.outputs.features }} --no-fail-fast
+
+      - name: '`cargo run --release`'
+        uses: actions-rs/cargo@v1
+        with:
+          command: run
+          args: ${{ steps.features.outputs.features }} --release

README.md

@@ -2,6 +2,8 @@
 
 # AtCoder Rust Base (`ja-all-enabled`)
 
+[![CI](https://github.com/rust-lang-ja/atcoder-rust-base/workflows/CI/badge.svg)](https://github.com/rust-lang-ja/atcoder-rust-base/actions?workflow=CI)
+
 このリポジトリには[AtCoder][atcoder]コンテスト（競技プログラミング）にRustで参加するためのCargoパッケージテンプレートが用意されています。
 パッケージは[cargo-generate][cargo-generate-crate]で作成します。
 

src/main.rs

@@ -225,7 +225,7 @@ fn run_ascii() -> UnitResult {
     use std::str::FromStr;
 
     let s = AsciiString::from_str("2019-07-01")?;
-    let mut ix = s.as_str().match_indices("-");
+    let mut ix = s.as_str().match_indices('-');
     let (i0, _) = ix.next().ok_or_else(|| "got none")?;
     let (i1, _) = ix.next().ok_or_else(|| "got none")?;
 
@@ -255,7 +255,7 @@ fn run_bitset_fixed() {
     use rand::prelude::*;
     use rand_distr::Uniform;
 
-    let rng = StdRng::seed_from_u64(114514);
+    let rng = StdRng::seed_from_u64(114_514);
     let dist = Uniform::from(0..2000);
 
     let n = rng
@@ -345,9 +345,9 @@ fn run_rustc_hash() {
 
     let mut map = [('c', "Cindy"), ('a', "Alice"), ('b', "Bob")]
         .iter()
-        .map(|(c, s)| (*c, s.to_string()))
+        .map(|&(c, s)| (c, s.to_string()))
         .collect::<FxHashMap<_, _>>();
-    map.entry('d').or_insert("Denis".to_string());
+    map.entry('d').or_insert_with(|| "Denis".to_string());
     map.insert('a', "Alexa".to_string());
     assert_eq!(map.len(), 4);
 }
@@ -417,6 +417,7 @@ fn calc_mean<D: rand_distr::Distribution<f64>>(rng: &mut impl rand::Rng, distr:
 
 // regex and lazy_static
 // these codes were taken from examples on: https://docs.rs/regex/1.1.7/regex/
+#[allow(clippy::trivial_regex)]
 fn run_regex() -> UnitResult {
     use lazy_static::lazy_static;
     use regex::{Regex, RegexSet};

tests/test_jemallocator.rs

@@ -21,7 +21,7 @@ fn do_allocate_heap() -> UnitResult {
     use jemalloc_ctl::{epoch, stats};
     use rand::prelude::*;
 
-    const SIZE: usize = 100000;
+    const SIZE: usize = 100_000;
 
     let mut rng = SmallRng::from_rng(thread_rng())?;