instream: use default member initializers for literals

Author: lzaoral

src/instream.cc

@@ -22,7 +22,6 @@
 InStream::InStream(std::string fileName, const bool silent):
     fileName_(std::move(fileName)),
     silent_(silent),
-    anyError_(false),
     str_((fileName_ == "-")
                 ? std::cin
                 : fileStr_)
@@ -36,7 +35,6 @@ InStream::InStream(std::string fileName, const bool silent):
 
 InStream::InStream(std::istringstream &str, const bool silent):
     silent_(silent),
-    anyError_(false),
     str_(str)
 {
 }

src/instream.hh

@@ -52,7 +52,7 @@ class InStream {
     private:
         const std::string   fileName_;
         const bool          silent_;
-        bool                anyError_;
+        bool                anyError_ = false;
         std::ifstream       fileStr_;
         std::istream       &str_;
 };