新增stringx Benchmark (#216)

* 新增stringx Benchmark

* 添加changelog

.CHANGELOG.md

@@ -25,6 +25,7 @@
 - [sqlx: Scanner 添加 NextResultSet 方法](https://github.com/ecodeclub/ekit/pull/212)
 - [ekit: AnyValue 支持As[Type]类型 String 转换](https://github.com/ecodeclub/ekit/pull/213)
 - [stringx: unsafe 转换 string 和 []byte](https://github.com/ecodeclub/ekit/pull/215)
+  - [stringx: 添加 Benchmark](https://github.com/ecodeclub/ekit/pull/216)
 
 # v0.0.7
 - [slice: FilterDelete](https://github.com/ecodeclub/ekit/pull/152)

stringx/string_test.go

@@ -126,3 +126,35 @@ func TestUnsafeToString(t *testing.T) {
 		})
 	}
 }
+
+func Benchmark_UnsafeToBytes(b *testing.B) {
+	b.Run("safe to bytes", func(b *testing.B) {
+		s := "hello ekit! hello golang! this is test benchmark"
+		for i := 0; i < b.N; i++ {
+			_ = []byte(s)
+		}
+	})
+
+	b.Run("unsafe to bytes", func(b *testing.B) {
+		s := "hello ekit! hello golang! this is test benchmark"
+		for i := 0; i < b.N; i++ {
+			_ = UnsafeToBytes(s)
+		}
+	})
+}
+
+func Benchmark_UnsafeToString(b *testing.B) {
+	b.Run("safe to string", func(b *testing.B) {
+		s := []byte("hello ekit! hello golang! this is test benchmark")
+		for i := 0; i < b.N; i++ {
+			_ = string(s)
+		}
+	})
+
+	b.Run("unsafe to string", func(b *testing.B) {
+		s := []byte("hello ekit! hello golang! this is test benchmark")
+		for i := 0; i < b.N; i++ {
+			_ = UnsafeToString(s)
+		}
+	})
+}

stringx/stringx_benchmark

@@ -0,0 +1,10 @@
+goos: darwin
+goarch: amd64
+pkg: github.com/ecodeclub/ekit/stringx
+cpu: Intel(R) Core(TM) i7-7920HQ CPU @ 3.10GHz
+Benchmark_UnsafeToBytes/safe_to_bytes-8         	39721614	        29.60 ns/op	      48 B/op	       1 allocs/op
+Benchmark_UnsafeToBytes/unsafe_to_bytes-8       	1000000000	         0.2805 ns/op	       0 B/op	       0 allocs/op
+Benchmark_UnsafeToString/safe_to_string-8       	45207981	        26.77 ns/op	      48 B/op	       1 allocs/op
+Benchmark_UnsafeToString/unsafe_to_string-8     	1000000000	         0.2842 ns/op	       0 B/op	       0 allocs/op
+PASS
+ok  	github.com/ecodeclub/ekit/stringx	4.780s