Update rx-observable.hpp

1 files changed, 4 insertions, 4 deletions

diff --git a/Rx/v2/src/rxcpp/rx-observable.hpp b/Rx/v2/src/rxcpp/rx-observable.hpp
index b0e4a5a..5950a42 100644
--- a/Rx/v2/src/rxcpp/rx-observable.hpp
+++ b/Rx/v2/src/rxcpp/rx-observable.hpp
@@ -2925,7 +2925,7 @@ public:
         \snippet output.txt range sample
     */
     template<class T>
-    static auto range(T first = 0, T last = std::numeric_limits<T>::max(), ptrdiff_t step = 1)
+    static auto range(T first = 0, T last = std::numeric_limits<T>::max(), std::ptrdiff_t step = 1)
         -> decltype(rxs::range<T>(first, last, step, identity_current_thread())) {
         return      rxs::range<T>(first, last, step, identity_current_thread());
     }
@@ -2952,13 +2952,13 @@ public:
         \snippet output.txt subscribe_on range sample
     */
     template<class T, class Coordination>
-    static auto range(T first, T last, ptrdiff_t step, Coordination cn)
+    static auto range(T first, T last, std::ptrdiff_t step, Coordination cn)
         -> decltype(rxs::range<T>(first, last, step, std::move(cn))) {
         return      rxs::range<T>(first, last, step, std::move(cn));
     }
     /// Returns an observable that sends values in the range ```first```-```last``` by adding 1 to the previous value. The values are sent on the specified scheduler.
     ///
-    /// \see       rxcpp::observable<void,void>#range(T first, T last, ptrdiff_t step, Coordination cn)
+    /// \see       rxcpp::observable<void,void>#range(T first, T last, std::ptrdiff_t step, Coordination cn)
     template<class T, class Coordination>
     static auto range(T first, T last, Coordination cn)
         -> decltype(rxs::range<T>(first, last, std::move(cn))) {
@@ -2966,7 +2966,7 @@ public:
     }
     /// Returns an observable that infinitely (until overflow) sends values starting from ```first```. The values are sent on the specified scheduler.
     ///
-    /// \see       rxcpp::observable<void,void>#range(T first, T last, ptrdiff_t step, Coordination cn)
+    /// \see       rxcpp::observable<void,void>#range(T first, T last, std::ptrdiff_t step, Coordination cn)
     template<class T, class Coordination>
     static auto range(T first, Coordination cn)
         -> decltype(rxs::range<T>(first, std::move(cn))) {