Add util::algorithm::raw_type

Signed-off-by: janus_wel <janus.wel.3@gmail.com>

header/algorithm.hpp

@@ -23,6 +23,15 @@ namespace util {
             void operator()(T* p) { delete p; }
         };
 
+        // for binary operation
+        struct raw_type { char c; };
+        std::istream& operator >>(std::istream& in, raw_type& r) {
+            return in.get(r.c);
+        }
+        std::ostream& operator <<(std::ostream& out, const raw_type& r) {
+            return out.put(r.c);
+        }
+
         // copy_if
         template<   typename InputIterator, typename OstreamIterator,
                     typename Predicate>

sample/algorithm/main.cpp

@@ -16,6 +16,7 @@
 #include <locale>
 #include <string>
 #include <vector>
+#include <fstream>
 
 template<typename Char>
 inline bool is(const std::ctype_base::mask mask, const Char c) {
@@ -108,6 +109,12 @@ int main(const int argc, const char* const argv[]) {
             std::cout, "\n",
             util::algorithm::basic_progress<std::string, unsigned int>(
                 std::cerr, 1, params.size()));
+
+    std::cout << "binary operation\n";
+    std::ifstream fin("main.cpp", std::ios_base::binary);
+    std::istream_iterator<util::algorithm::raw_type> iitr(fin), end;
+    util::algorithm::print<util::algorithm::raw_type>(iitr, end, std::cout, "");
+
     std::cerr << std::endl;
 
     return 0;