diff --git a/example/algorithms.cpp b/example/algorithms.cpp
index 91a5f2d..67052a4 100644
--- a/example/algorithms.cpp
+++ b/example/algorithms.cpp
@@ -39,7 +39,7 @@ int main()
   // populate c
 
   std::mt19937                 gen{92748}; // some arbitrary random seed
-  std::discrete_distribution<> rnd({1,1,1});
+  std::discrete_distribution<> rnd{{1,1,1}};
   for(int i=0;i<8;++i){        // assign each type with 1/3 probability
     switch(rnd(gen)){ 
       case 0: c.insert(warrior{i});break;
diff --git a/example/basic_any.cpp b/example/basic_any.cpp
index 3bc4c63..e2c2dc9 100644
--- a/example/basic_any.cpp
+++ b/example/basic_any.cpp
@@ -43,7 +43,7 @@ int main()
 //[basic_any_3
   // populate with sprites
   std::mt19937                 gen{92748}; // some arbitrary random seed
-  std::discrete_distribution<> rnd({1,1,1});
+  std::discrete_distribution<> rnd{{1,1,1}};
   for(int i=0;i<4;++i){        // assign each type with 1/3 probability
     switch(rnd(gen)){ 
       case 0: c.insert(warrior{i});break;
diff --git a/example/basic_base.cpp b/example/basic_base.cpp
index bc50cae..4f6f92f 100644
--- a/example/basic_base.cpp
+++ b/example/basic_base.cpp
@@ -22,7 +22,7 @@ int main()
   boost::base_collection<sprite> c;
 
   std::mt19937                 gen{92748}; // some arbitrary random seed
-  std::discrete_distribution<> rnd({1,1,1});
+  std::discrete_distribution<> rnd{{1,1,1}};
   for(int i=0;i<8;++i){        // assign each type with 1/3 probability
     switch(rnd(gen)){ 
       case 0: c.insert(warrior{i});break;
diff --git a/example/basic_function.cpp b/example/basic_function.cpp
index ce9696d..ed2431b 100644
--- a/example/basic_function.cpp
+++ b/example/basic_function.cpp
@@ -25,7 +25,7 @@ int main()
 
   // populate sprs
   std::mt19937                 gen{92748}; // some arbitrary random seed
-  std::discrete_distribution<> rnd({1,1,1});
+  std::discrete_distribution<> rnd{{1,1,1}};
   for(int i=0;i<4;++i){        // assign each type with 1/3 probability
     switch(rnd(gen)){ 
       case 0: sprs.push_back(std::make_unique<warrior>(i));;break;
diff --git a/example/exceptions.cpp b/example/exceptions.cpp
index a8c103c..d5e946d 100644
--- a/example/exceptions.cpp
+++ b/example/exceptions.cpp
@@ -21,7 +21,7 @@ int main()
   // populate c
 
   std::mt19937                 gen{92748}; // some arbitrary random seed
-  std::discrete_distribution<> rnd({1,1,1});
+  std::discrete_distribution<> rnd{{1,1,1}};
   for(int i=0;i<8;++i){        // assign each type with 1/3 probability
     switch(rnd(gen)){ 
       case 0: c.insert(warrior{i});break;
diff --git a/example/insertion_emplacement.cpp b/example/insertion_emplacement.cpp
index 68a5ad8..a7beafb 100644
--- a/example/insertion_emplacement.cpp
+++ b/example/insertion_emplacement.cpp
@@ -21,7 +21,7 @@ int main()
   // populate c
 
   std::mt19937                 gen{92748}; // some arbitrary random seed
-  std::discrete_distribution<> rnd({1,1,1});
+  std::discrete_distribution<> rnd{{1,1,1}};
   for(int i=0;i<8;++i){        // assign each type with 1/3 probability
     switch(rnd(gen)){ 
       case 0: c.insert(warrior{i});break;
diff --git a/example/rolegame.hpp b/example/rolegame.hpp
index 9e1601f..2fdda67 100644
--- a/example/rolegame.hpp
+++ b/example/rolegame.hpp
@@ -22,7 +22,7 @@
 //[rolegame_1
 struct sprite
 {
-  sprite(int id):id(id){}
+  sprite(int id):id{id}{}
   virtual ~sprite()=default;
   virtual void render(std::ostream& os)const=0;
 
diff --git a/example/segmented_structure.cpp b/example/segmented_structure.cpp
index c2e3075..ab5701c 100644
--- a/example/segmented_structure.cpp
+++ b/example/segmented_structure.cpp
@@ -39,7 +39,7 @@ int main()
   auto make_sprite=[]()->std::unique_ptr<sprite>{
 //->
     static std::mt19937                 gen{92748};
-    static std::discrete_distribution<> rnd({1,1,1});
+    static std::discrete_distribution<> rnd{{1,1,1}};
     static int                          id=0;
 
     switch(rnd(gen)){