fix: clippy for rust 1.59.0 (#162)

* fix: clippy for rust `1.59.0`

* add 2 new versions of Rust

* update build with `actions-rs/toolchain`

* bump: `1.3.0`

.github/workflows/main.yml

@@ -7,13 +7,19 @@ jobs:
     name: Build
     strategy:
       matrix:
-        rust-version: ["1.55", "1.56", "1.57"]
+        rust-version: ["1.54", "stable"]
     runs-on: ubuntu-latest
-    container: rust:${{ matrix.rust-version }}
     steps:
       - name: Repository Checkout
         uses: actions/checkout@v2
 
+      - name: Install Toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.rust-version }}
+          profile: minimal
+          override: true
+
       - name: Cache
         uses: Swatinem/rust-cache@v1
 

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "parrot"
-version = "1.2.1"
+version = "1.3.0"
 authors = ["aquelemiguel"]
 edition = "2018"
 description = "A Discord music bot built in Rust"

src/commands/seek.rs

@@ -25,12 +25,10 @@ pub async fn seek(
     let (minutes, seconds) = (
         units_iter
             .next()
-            .map(|token| token.parse::<u64>().ok())
-            .flatten(),
+            .and_then(|token| token.parse::<u64>().ok()),
         units_iter
             .next()
-            .map(|token| token.parse::<u64>().ok())
-            .flatten(),
+            .and_then(|token| token.parse::<u64>().ok()),
     );
 
     if minutes.is_none() || seconds.is_none() {

src/sources/youtube.rs

@@ -174,7 +174,7 @@ async fn _ytdl_metadata(uri: &str) -> SongbirdResult<Metadata> {
     let end = (&o_vec)
         .iter()
         .position(|el| *el == NEWLINE_BYTE)
-        .unwrap_or_else(|| o_vec.len());
+        .unwrap_or(o_vec.len());
 
     let value = serde_json::from_slice(&o_vec[..end]).map_err(|err| SongbirdError::Json {
         error: err,