diff --git a/examples/pitched_allocation/pitched_allocation.cpp b/examples/pitched_allocation/pitched_allocation.cpp
index 75059e97..66e3195f 100755
--- a/examples/pitched_allocation/pitched_allocation.cpp
+++ b/examples/pitched_allocation/pitched_allocation.cpp
@@ -46,11 +46,13 @@ template<class T>
 class const_proxy {
 private:
   friend class const_tbs_proxy;
-  constexpr const_proxy(const char* p) : p_(p) {}
+  constexpr const_proxy(const char* p) noexcept
+    : p_(p)
+  {}
 
 public:
   // Not constexpr because of reinterpret_cast or memcpy
-  operator T () const {
+  operator T () const noexcept {
     // We can't do the commented-out reinterpret_cast
     // in Standard C++, because p_ might not have correct
     // alignment to point to a T.
@@ -61,6 +63,7 @@ class const_proxy {
     std::memcpy(&f, p_, sizeof(T));
     return f;
   }
+
 private:
   const char* p_ = nullptr;
 };
@@ -69,17 +72,19 @@ template<class T>
 class nonconst_proxy {
 private:
   friend class nonconst_tbs_proxy;
-  constexpr nonconst_proxy(char* p) : p_(p) {}
+  constexpr nonconst_proxy(char* p) noexcept
+    : p_(p)
+  {}
 
 public:
   // Not constexpr because of memcpy
-  nonconst_proxy& operator=(const T& f) {
+  nonconst_proxy& operator=(const T& f) noexcept {
     std::memcpy(p_, &f, sizeof(T));
     return *this;
   }
 
   // Not constexpr because of memcpy
-  constexpr operator T () const { 
+  operator T () const noexcept { 
     T f;
     std::memcpy(&f, p_, sizeof(T));
     return f;
@@ -93,19 +98,19 @@ class nonconst_tbs_proxy {
 private:
   char* p_ = nullptr;
 
-public:    
-  constexpr nonconst_tbs_proxy(char* p) noexcept
+public:
+  nonconst_tbs_proxy(char* p) noexcept
     : p_(p), f0(p), i(p + sizeof(float)), f1(p + sizeof(float) + sizeof(int))
   {}
 
-  constexpr nonconst_tbs_proxy& operator=(const tbs& s) noexcept {
+  nonconst_tbs_proxy& operator=(const tbs& s) noexcept {
     this->f0 = s.f0;
     this->i = s.i;
     this->f1 = s.f1;
     return *this;
   }
 
-  constexpr operator tbs() const noexcept {
+  operator tbs() const noexcept {
     return {float(f0), std::int32_t(i), float(f1)};
   };
 
@@ -127,7 +132,7 @@ class const_tbs_proxy {
     : p_(p), f0(p), i(p + sizeof(float)), f1(p + sizeof(float) + sizeof(int))
   {}
 
-  constexpr operator tbs() const noexcept {
+  operator tbs() const noexcept {
     return {float(f0), std::int32_t(i), float(f1)};
   };