ci: add initial Continuous Integration Workflows using GitHub® Action…

…s™ (#8)

* ci

* clone submodules

* more submodules

* ci: add feature flags

.github/workflows/ci.yml

@@ -0,0 +1,70 @@
+name: CI
+
+on:
+    push:
+        branches: [main]
+    pull_request:
+
+env:
+    CARGO_TERM_COLOR: always
+
+jobs:
+    test:
+        name: test ${{ matrix.os }} ${{ matrix.flags }}
+        runs-on: ${{ matrix.os }}
+        strategy:
+            fail-fast: false
+            matrix:
+                os: ["ubuntu-latest", "macos-latest", "windows-latest"]
+                flags: ["--no-default-features", "", "--all-features"]
+        steps:
+            - uses: actions/checkout@v3
+              with:
+                  submodules: "recursive"
+            - uses: dtolnay/rust-toolchain@stable
+            - uses: Swatinem/rust-cache@v2
+            - name: test
+              run: cargo +stable test --workspace ${{ matrix.flags }}
+
+    clippy:
+        name: clippy
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v3
+              with:
+                  submodules: "recursive"
+            - uses: dtolnay/rust-toolchain@nightly
+              with:
+                  components: clippy
+            - uses: Swatinem/rust-cache@v2
+            - name: clippy
+              run: cargo clippy --workspace --tests
+              env:
+                  RUSTFLAGS: -Dwarnings
+
+    docs:
+        name: docs
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v3
+              with:
+                  submodules: "recursive"
+            - uses: dtolnay/rust-toolchain@nightly
+              with:
+                  components: rust-docs
+            - uses: Swatinem/rust-cache@v2
+            - name: doc
+              run: cargo doc --workspace --no-deps --document-private-items
+
+    fmt:
+        name: fmt
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v3
+              with:
+                  submodules: "recursive"
+            - uses: dtolnay/rust-toolchain@nightly
+              with:
+                  components: rustfmt
+            - name: fmt --check
+              run: cargo fmt --all --check

.github/workflows/deny.yml

@@ -0,0 +1,23 @@
+name: deps
+
+on:
+    push:
+        branches: [main]
+        paths: [Cargo.lock]
+    pull_request:
+        branches: [main]
+        paths: [Cargo.lock]
+
+concurrency: deps-${{ github.head_ref || github.run_id }}
+
+jobs:
+    deny:
+        name: deny
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v3
+              with:
+                  submodules: "recursive"
+            - uses: EmbarkStudios/cargo-deny-action@v1
+              with:
+                  command: check all

primitives/src/signed/int.rs

@@ -4,11 +4,7 @@ use ruint::Uint;
 #[cfg(not(feature = "std"))]
 use alloc::{format, string::String};
 
-use super::{
-    errors::{self},
-    utils::*,
-    Sign,
-};
+use super::{errors, utils::*, Sign};
 
 #[derive(Clone, Copy, Default, PartialEq, Eq, Hash)]
 /// Signed integer wrapping a `ruint::Uint`.