ci: add clippy and fmt check to renamed rust.yaml workflow

.github/workflows/rust.yaml

@@ -0,0 +1,55 @@
+name: Rust examples checks
+on: [push, pull_request, workflow_dispatch]
+
+jobs:
+  build_examples:
+    name: Build Rust examples
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: examples/rust/
+    steps:
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - name: Rust Cache
+        uses: Swatinem/[email protected]
+      - name: "Build all examples"
+        run: cargo build
+
+  fmt_check:
+    name: Rust fmt check
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install Rust toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+          profile: minimal
+          components: rustfmt
+      - name: Check fmt
+        run: cargo fmt --all -- --config format_code_in_doc_comments=true --check
+
+  clippy_check:
+    name: Rust clippy check
+    runs-on: ubuntu-latest
+    permissions:
+      checks: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          components: clippy
+          override: true
+      - name: Rust Cache
+        uses: Swatinem/[email protected]
+      - uses: actions-rs/clippy-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          name: Clippy Results
+          args: --all-features --all-targets -- -D warnings

examples/rust/descriptors/src/main.rs

@@ -5,7 +5,7 @@ use bdk_wallet::bitcoin::Network;
 use bdk_wallet::template::{Bip86, DescriptorTemplate};
 use bdk_wallet::KeychainKind;
 
-fn main() -> () {
+fn main() {
     // --8<-- [start:main]
     let mut seed: [u8; 32] = [0u8; 32];
     rand::thread_rng().fill_bytes(&mut seed);

examples/rust/quickstart/src/main.rs

@@ -12,7 +12,7 @@ use bdk_wallet::Wallet;
 const STOP_GAP: usize = 50;
 const PARALLEL_REQUESTS: usize = 1;
 
-fn main() -> () {
+fn main() {
     // --8<-- [start:descriptors]
     let descriptor: &str = "tr([12071a7c/86'/1'/0']tpubDCaLkqfh67Qr7ZuRrUNrCYQ54sMjHfsJ4yQSGb3aBr1yqt3yXpamRBUwnGSnyNnxQYu7rqeBiPfw3mjBcFNX4ky2vhjj9bDrGstkfUbLB9T/0/*)#z3x5097m";
     let change_descriptor: &str = "tr([12071a7c/86'/1'/0']tpubDCaLkqfh67Qr7ZuRrUNrCYQ54sMjHfsJ4yQSGb3aBr1yqt3yXpamRBUwnGSnyNnxQYu7rqeBiPfw3mjBcFNX4ky2vhjj9bDrGstkfUbLB9T/1/*)#n9r4jswr";

examples/rust/seed-phrase/src/main.rs

@@ -7,7 +7,7 @@ use bdk_wallet::KeychainKind;
 const RECOVERY_PHRASE: &str = "[your 12 word seed phrase here ...]";
 // const RECOVERY_PHRASE: &str = "holiday marble tide globe license stumble rescue antenna monitor sea half sauce"; // example
 
-fn main() -> () {
+fn main() {
     let mnemonic = Mnemonic::parse(RECOVERY_PHRASE).expect("Invalid seed! Be sure to replace the value of RECOVERY_PHRASE with your own 12 word seed phrase.");
     let seed = mnemonic.to_seed("");
     let xprv: Xpriv =

examples/rust/syncing/electrum/src/main.rs

@@ -10,7 +10,7 @@ const BATCH_SIZE: usize = 5;
 const EXTERNAL_DESCRIPTOR: &str = "tr(tprv8ZgxMBicQKsPdrjwWCyXqqJ4YqcyG4DmKtjjsRt29v1PtD3r3PuFJAjWytzcvSTKnZAGAkPSmnrdnuHWxCAwy3i1iPhrtKAfXRH7dVCNGp6/86'/1'/0'/0/*)#g9xn7wf9";
 const INTERNAL_DESCRIPTOR: &str = "tr(tprv8ZgxMBicQKsPdrjwWCyXqqJ4YqcyG4DmKtjjsRt29v1PtD3r3PuFJAjWytzcvSTKnZAGAkPSmnrdnuHWxCAwy3i1iPhrtKAfXRH7dVCNGp6/86'/1'/0'/1/*)#e3rjrmea";
 
-fn main() -> () {
+fn main() {
     let mut wallet: Wallet = Wallet::create(EXTERNAL_DESCRIPTOR, INTERNAL_DESCRIPTOR)
         .network(Network::Signet)
         .create_wallet_no_persist()

examples/rust/syncing/rpc/src/main.rs

@@ -8,7 +8,7 @@ const COOKIE_FILE_PATH: &str = "<path_to_your_regtest_bitcoin_core_data_dir>/.co
 const EXTERNAL_DESCRIPTOR: &str = "tr(tprv8ZgxMBicQKsPdrjwWCyXqqJ4YqcyG4DmKtjjsRt29v1PtD3r3PuFJAjWytzcvSTKnZAGAkPSmnrdnuHWxCAwy3i1iPhrtKAfXRH7dVCNGp6/86'/1'/0'/0/*)#g9xn7wf9";
 const INTERNAL_DESCRIPTOR: &str = "tr(tprv8ZgxMBicQKsPdrjwWCyXqqJ4YqcyG4DmKtjjsRt29v1PtD3r3PuFJAjWytzcvSTKnZAGAkPSmnrdnuHWxCAwy3i1iPhrtKAfXRH7dVCNGp6/86'/1'/0'/1/*)#e3rjrmea";
 
-fn main() -> () {
+fn main() {
     let mut wallet: Wallet = Wallet::create(EXTERNAL_DESCRIPTOR, INTERNAL_DESCRIPTOR)
         .network(Network::Regtest)
         .create_wallet_no_persist()