CI: Add build and fmt job

.github/workflows/main.yml

@@ -0,0 +1,24 @@
+name: Build and test library
+
+on: [pull_request, push]
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{matrix.os}}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: goto-bus-stop/setup-zig@v2
+        with:
+          version: 0.12.0
+      - run: zig build test --summary all
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: goto-bus-stop/setup-zig@v2
+        with:
+          version: 0.12.0
+      - run: zig fmt --check .

.gitignore

@@ -1,2 +1,2 @@
 zig-cache/
-zig-out/
+zig-out/

build.zig.zon

@@ -14,7 +14,7 @@
     // `zig build --fetch` can be used to fetch all dependencies of a package, recursively.
     // Once all dependencies are fetched, `zig build` no longer requires
     // internet connectivity.
-    .dependencies = .{ },
+    .dependencies = .{},
 
     // Specifies the set of files and directories that are included in this package.
     // Only files and directories listed here are included in the `hash` that

src/root.zig

@@ -266,6 +266,10 @@ pub fn write(writer: anytype, data: anytype) !void {
     @compileError("Serializing '" ++ @typeName(T) ++ "' is unsupported.");
 }
 
+test {
+    std.testing.refAllDecls(@This());
+}
+
 test "borsh: serialize and deserialize" {
     var buffer = std.ArrayList(u8).init(testing.allocator);
     defer buffer.deinit();