Implemented a basic scanner

src/fs/bench_test.go

@@ -0,0 +1,42 @@
+package fs_test
+
+import (
+	"os"
+	"testing"
+
+	"git.urbach.dev/cli/q/src/fs"
+	"git.urbach.dev/go/assert"
+)
+
+func BenchmarkReadDir(b *testing.B) {
+	for b.Loop() {
+		files, err := os.ReadDir(".")
+		assert.Nil(b, err)
+
+		for _, file := range files {
+			func(string) {}(file.Name())
+		}
+	}
+}
+
+func BenchmarkReaddirnames(b *testing.B) {
+	for b.Loop() {
+		f, err := os.Open(".")
+		assert.Nil(b, err)
+		files, err := f.Readdirnames(0)
+		assert.Nil(b, err)
+
+		for _, file := range files {
+			func(string) {}(file)
+		}
+
+		f.Close()
+	}
+}
+
+func BenchmarkWalk(b *testing.B) {
+	for b.Loop() {
+		err := fs.Walk(".", func(string) {})
+		assert.Nil(b, err)
+	}
+}