feat: add log & supporting packages

internal/textio/str.go

@@ -0,0 +1,13 @@
+package textio
+
+import "unsafe"
+
+// BytesToString 没有内存开销的转换
+func BytesToString(b []byte) string {
+	return *(*string)(unsafe.Pointer(&b))
+}
+
+// StringToBytes 没有内存开销的转换
+func StringToBytes(s string) (b []byte) {
+	return unsafe.Slice(unsafe.StringData(s), len(s))
+}