began work on istream iterator

include/pit/iters.h

@@ -1,4 +1,7 @@
 #include <cstdlib>
+#include <string>
+#include <istream>
+
 namespace pit{
     template<typename T>
     class passthrough{
@@ -45,13 +48,43 @@ namespace pit{
         T val;
         public:
         // noops
-        repeat<T> operator+(std::size_t ){}
+        repeat operator+(std::size_t ){}
-        repeat<T> operator-(std::size_t ){}
+        repeat operator-(std::size_t ){}
         void operator+=(std::size_t ){}
         void operator-=(std::size_t ){}
+        // always return false on equality to ensure it repeats forever
         bool operator==(repeat const& rhs){return false;}
-        T const& operator*(){
+        // if T isn't copyable then make the template arg a reference
+        T operator*(){
             return this->val;
         }
+        // convenience for for loops and what not
+        repeat begin(){
+            return *this;
+        }
+        repeat end(){
+            return *this;
+        }
+        repeat rbegin(){
+            return *this;
+        }
+        repeat rend(){
+            return *this;
+        }
     };
+
+    template<class CharT, class Traits = std::char_traits<CharT>, class Allocator = std::allocator<CharT>>
+    class basic_stream_split {
+        bool ended;
+        std::basic_istream<CharT, Traits> stream;
+
+        public:
+        bool operator==(basic_stream_split const& rhs){
+            return this->ended == rhs;
+        }
+        // todo: +,-, +=, -=, *
+    };
+
+    using stream_split = basic_stream_split<char>;
+    using wstream_split = basic_stream_split<wchar_t>;
 }