Create rust.yml (#10)

* Create rust.yml

* Fix linter issues.

.github/workflows/rust.yml

@@ -0,0 +1,41 @@
+name: Rust
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - uses: Swatinem/rust-cache@v2
+    - name: Build
+      run: cargo build --verbose
+    - name: Run tests
+      run: cargo test --verbose
+
+  format:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - uses: Swatinem/rust-cache@v2
+    - name: Check Formatting
+      run: cargo fmt --all -- --check
+
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - uses: Swatinem/rust-cache@v2
+    - uses: olix0r/cargo-action-fmt/setup@v2
+    - name: Lint
+      run: cargo clippy --lib --all-features --message-format=json -- -D warnings | cargo-action-fmt

src/backend/fs.rs

@@ -1,3 +1,5 @@
+#![allow(unused_variables)]
+
 use std::{fs::OpenOptions, io::Write, path::PathBuf};
 
 use anyhow::{anyhow, Result};

src/structs.rs

@@ -1,14 +1,14 @@
-use std::str::FromStr;
+use std::{fmt, str::FromStr};
 
 use anyhow::Error;
 
 pub struct Blake3Hash(pub blake3::Hash);
 
-impl Blake3Hash {
-    pub fn to_string(&self) -> String {
+impl fmt::Display for Blake3Hash {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         let Self(hash) = self;
 
-        hash.to_string()
+        f.write_str(&hash.to_string())
     }
 }