Update testbench.cpp

1 files changed, 9 insertions, 8 deletions

diff --git a/Ix/CPP/unittest/testbench.cpp b/Ix/CPP/unittest/testbench.cpp
index 7788e5f..2103e22 100644
--- a/Ix/CPP/unittest/testbench.cpp
+++ b/Ix/CPP/unittest/testbench.cpp
@@ -10,6 +10,7 @@
 #include <string>
 
 #include <ctime>
+#include <cstddef>
 
 #include <boost/lambda/core.hpp>
 #include <boost/lambda/lambda.hpp>
@@ -23,7 +24,7 @@ using namespace std;
 using namespace cpplinq;
 
 struct int_iter
-    : std::iterator<std::random_access_iterator_tag, int, ptrdiff_t, int*, int>
+    : std::iterator<std::random_access_iterator_tag, int, std::ptrdiff_t, int*, int>
 {
     int_iter(value_type i = 0, value_type step = 1) : value(i), step(step)
     {}
@@ -37,14 +38,14 @@ struct int_iter
     int_iter& operator--() {
         value-=step; return *this;
     }
-    int_iter& operator+=(ptrdiff_t offset) {
+    int_iter& operator+=(std::ptrdiff_t offset) {
         value += step*offset; return *this;
     }
-    int_iter& operator-=(ptrdiff_t offset) {
+    int_iter& operator-=(std::ptrdiff_t offset) {
         value -= step*offset; return *this;
     }
-    ptrdiff_t operator-(int_iter rhs) const {
-        return ptrdiff_t((value - rhs.value)/step);
+    std::ptrdiff_t operator-(int_iter rhs) const {
+        return std::ptrdiff_t((value - rhs.value)/step);
     }
     bool operator==(int_iter other) const {
         return value == other.value; 
@@ -60,13 +61,13 @@ struct int_iter
     value_type value;
     value_type step;
 };
-int_iter operator+(int_iter lhs, ptrdiff_t rhs) {
+int_iter operator+(int_iter lhs, std::ptrdiff_t rhs) {
     return lhs+=rhs;
 }
-int_iter operator+(ptrdiff_t lhs, int_iter rhs) {
+int_iter operator+(std::ptrdiff_t lhs, int_iter rhs) {
     return rhs+=lhs;
 }
-int_iter operator-(int_iter lhs, ptrdiff_t rhs) {
+int_iter operator-(int_iter lhs, std::ptrdiff_t rhs) {
     return lhs-=rhs;
 }
 struct int_range