..

yielding · yielding · commit d63c4c5cc87d · 2023-04-05T23:11:59.000+09:00
diff --git a/cpp.boost/bounded.buffer/bounded.buffer.cpp b/cpp.boost/bounded.buffer/bounded.buffer.cpp
@@ -1,7 +1,7 @@
 #include <boost/circular_buffer.hpp>
+#include <condition_variable>
 #include <thread>
 #include <mutex>
-#include <condition_variable>
 #include <string>
 #include <vector>
 #include <iostream>
@@ -80,7 +80,7 @@ class BoundedBuffer
   bool m_shutdown {false};
   size_type m_unread;
   container_type m_container;
-  mutex     m_mutex;
+  mutex m_mutex;
   condition_variable m_while_empty;
   condition_variable m_while_full;
 };
diff --git a/cpp.c++20/ranges/action.join/action.join.cpp b/cpp.c++20/ranges/action.join/action.join.cpp
@@ -3,6 +3,9 @@
 #include <string_view>
 #include <vector>
 
+//
+// NOTICE pure c++20 (without range-v3 github)
+//
 using namespace std;
 using namespace literals;
 
diff --git a/cpp.c++20/ranges/action.shuffle/action.shuffle.cpp b/cpp.c++20/ranges/action.shuffle/action.shuffle.cpp
@@ -4,6 +4,7 @@
 #include <random>
 #include <range/v3/all.hpp>
 
+using namespace ranges::v3;
 using namespace std;
 
 void print(const auto& a) 
@@ -22,7 +23,7 @@ int main()
 
   for (int i{}; i != 3; ++i) 
   {
-    ::ranges::action::shuffle(a, gen);
+    action::shuffle(a, gen);
     print(a);
   }
 
diff --git a/cpp.c++20/ranges/action.sort.uniq/action.sort.uniq.cpp b/cpp.c++20/ranges/action.sort.uniq/action.sort.uniq.cpp
@@ -6,8 +6,8 @@
 #include <range/v3/action/take.hpp>
 #include <range/v3/view/all.hpp>
 
+using namespace ranges::v3;
 using namespace std;
-using namespace ::ranges;
 
 int main()
 {
diff --git a/cpp.c++20/ranges/action.stride/action.stride.cpp b/cpp.c++20/ranges/action.stride/action.stride.cpp
@@ -2,18 +2,17 @@
 #include <vector>
 #include <cassert>
 
-#include <range/v3/algorithm/copy.hpp>
 #include <range/v3/all.hpp>
 
-using namespace ranges;
-using std::cout, 
-      std::endl;
+using namespace ranges::v3;
+using namespace std;
 
 int main(int argc, char *argv[])
 {
-  auto v1 = views::ints(0, 100) | to<std::vector>();
+  auto& cp = ::ranges::v3::copy;
 
-  auto v2 = v1 | copy | actions::stride(10);
+  auto v1 = views::ints(0, 100) | to<vector>();
+  auto v2 = v1 | cp | actions::stride(10);
   cout << views::all(v2) << endl; // {0, 10, 20, 30, ..., 90}
 
   v2 |= actions::stride(4);
diff --git a/cpp.c++20/ranges/action.take/action.take.cpp b/cpp.c++20/ranges/action.take/action.take.cpp
@@ -1,9 +1,9 @@
 #include <iostream>
 #include <vector>
-#include <range/v3/all.hpp>
 #include <cassert>
+#include <range/v3/all.hpp>
 
-using namespace ranges;
+using namespace ranges::v3;
 using namespace std;
 
 int main(int argc, char *argv[])
diff --git a/cpp.c++20/ranges/algo.sort.filter/algo.sort.filter.cpp b/cpp.c++20/ranges/algo.sort.filter/algo.sort.filter.cpp
@@ -7,9 +7,9 @@
 
 #include <boost/format.hpp>
 
+using namespace ranges::v3;
 using namespace std;
 using namespace boost;
-      namespace view = ::ranges::views;
 
 struct user
 {
diff --git a/cpp.c++20/ranges/numeric.accumulate/numeric.accumulate.cpp b/cpp.c++20/ranges/numeric.accumulate/numeric.accumulate.cpp
@@ -1,10 +1,13 @@
 #include <iostream>
+#include <range/v3/view/take.hpp>
+#include <range/v3/view/iota.hpp>
+#include <range/v3/view/transform.hpp>
+#include <range/v3/view/generate.hpp>
 #include <range/v3/numeric/accumulate.hpp>
-#include <range/v3/all.hpp>
+//#include <range/v3/all.hpp>
 
-namespace view = ranges::views;
-
-using std::cout, std::pair;
+using namespace ranges::v3;
+using namespace std;
 
 int main(int argc, char** argv)
 {   
@@ -17,12 +20,12 @@ int main(int argc, char** argv)
   ); 
 
   auto fib10 = rng | view::take(10);
-  cout << fib10 << "\n";
+  cout << fib10 << endl;
 
   auto rng2 = view::ints(1, 10) | 
               view::transform([](int i) { return i*i; });
 
-  cout << ranges::accumulate(rng2 , 0);
+  cout << accumulate(rng2 , 0);
 
   return 0;
 }
diff --git a/cpp.c++20/ranges/range.comprehension/main.cpp b/cpp.c++20/ranges/range.comprehension/main.cpp
@@ -6,16 +6,17 @@
 #include <range/v3/view/iota.hpp>
 #include <range/v3/view/repeat_n.hpp>
 
-using namespace ranges::views;
-using namespace ranges;
+using namespace ranges::v3::views;
+using namespace ranges::v3;
+
+using std::vector, std::cout;
 
 int main()
 {
   auto fn = [](int i) { return yield_from(repeat_n(i, i)); };
-  auto vi = for_each(ints(1, 6), fn) 
-              | to<std::vector>();
+  auto vi = for_each(ints(1, 6), fn) | to<vector>();
 
-  std::cout << all(vi) << '\n';
+  cout << all(vi) << '\n';
 
   return 0;
 }
diff --git a/cpp.c++20/ranges/string_to_lower/CMakeLists.txt b/cpp.c++20/ranges/string_to_lower/CMakeLists.txt
@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.26)
+
+project(string_to_lower)
+
+set (CMAKE_CXX_STANDARD 23)
+set (CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+set (SOURCES
+  string_to_lower.cpp
+)
+
+include_directories (
+  /usr/local/include 
+  /opt/homebrew/include
+  ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+link_directories (
+  /usr/local/lib 
+  /opt/homebrew/lib
+)
+
+add_executable(string_to_lower 
+  ${SOURCES}
+)
diff --git a/cpp.c++20/ranges/string_to_lower/string_to_lower.cpp b/cpp.c++20/ranges/string_to_lower/string_to_lower.cpp
@@ -0,0 +1,29 @@
+#include <iostream>
+#include <string>
+#include <cctype>
+
+#include <range/v3/all.hpp>
+
+using namespace ranges::v3;
+using std::string;
+
+auto string_to_lower(string const& s) -> string 
+{
+  return s | views::transform(tolower)
+           | to<string>;
+}
+
+auto string_only_alnum(string const& s) -> string
+{
+  return s | views::filter(isalnum)
+           | to<string>;
+}
+
+int main(int argc, char* argv[])
+{
+  using namespace std;
+  cout << string_to_lower("HHH") << endl;
+  cout << string_only_alnum("H!H2H") << endl;
+
+  return 0;
+}
diff --git a/cpp.c++20/ranges/view.split/view.split.cpp b/cpp.c++20/ranges/view.split/view.split.cpp
@@ -4,8 +4,7 @@
 #include <range/v3/view/split.hpp>
 #include <range/v3/core.hpp>
 
-using namespace ranges::views;
-using namespace ranges;
+using namespace ranges::v3;
 using namespace std;
 
 using strings = forward_list<string>;
diff --git a/cpp.c++20/ranges/view.zip/view.zip.cpp b/cpp.c++20/ranges/view.zip/view.zip.cpp
@@ -1,20 +1,16 @@
 #include <iostream>
 #include <vector>
 #include <string>
-#include <range/v3/view/iota.hpp>
-#include <range/v3/action/sort.hpp>
-#include <range/v3/all.hpp>
 
-namespace view = ranges::views;
+#include <range/v3/all.hpp>
 
-using std::cout, 
-      std::vector, 
-      std::string;
+using namespace ranges::v3;
+using namespace std;
 
 template <typename Range>
 void write_top_5(const Range& xs)
 {
-  auto print = [](const auto& p) { return std::to_string(p.second) + " " + p.first; };
+  auto print = [](const auto& p) { return to_string(p.second) + " " + p.first; };
 
   auto items = view::zip(xs, view::ints(1))
              | view::transform(print)
@@ -28,7 +24,7 @@ int main(int argc, char* argv[])
 {
   vector<string> vs { "f", "g", "h", "a", "b", "1", "2", "3", "5", "ll"};
 
-  vs |= ranges::action::sort;
+  vs |= action::sort;
 
   write_top_5(vs);
 
diff --git a/cpp.fp/count.lines/count.lines.cpp b/cpp.fp/count.lines/count.lines.cpp
@@ -6,8 +6,7 @@
 #include <range/v3/view/transform.hpp>
 #include <range/v3/range/conversion.hpp>
 
-namespace view = ranges::views;
-using namespace ranges;
+using namespace ranges::v3;
 using namespace std;
 
 auto count_file_lines(ifstream in) -> int;
@@ -21,7 +20,6 @@ auto original_count_lines_in_files(const vector<string>& files) -> vector<int>
   transform(files.cbegin(), files.cend(), 
             results.begin(), 
             count_lines);
-
   return results;
 }
 
diff --git a/cpp.fp/top.10/CMakeLists.txt b/cpp.fp/top.10/CMakeLists.txt
@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.26)
+
+project(top.10)
+
+set (CMAKE_CXX_STANDARD 23)
+set (CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+set (SOURCES
+  top.10.cpp
+)
+
+include_directories (
+  /usr/local/include 
+  /opt/homebrew/include
+  ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+link_directories (
+  /usr/local/lib 
+  /opt/homebrew/lib
+)
+
+add_executable(top.10 
+  ${SOURCES}
+)
diff --git a/cpp.fp/top.10/top.10.cpp b/cpp.fp/top.10/top.10.cpp
@@ -0,0 +1,44 @@
+#include <functional>
+#include <iostream>
+#include <string>
+#include <vector>
+
+#include <range/v3/view/iota.hpp>
+#include <range/v3/action.hpp>
+#include <range/v3/all.hpp>
+
+using namespace ranges::v3;
+using namespace std; 
+
+template <typename T>
+class err;
+
+template <typename Range>
+void write_top_10(const Range& xs)
+{
+  auto to_s = [](const auto& p) { return to_string(p.second) + " " + p.first; };
+
+  auto items =
+    view::zip(xs, view::ints(1))
+    | view::transform(to_s)
+    | view::take(10);
+
+  for (const auto& item: items) {
+    cout << item << endl;
+  }
+}
+
+int main(int argc, char *argv[])
+{
+  vector<string> movies_1 {
+    "Meaning of life",
+    "Dr Strangelove"
+  };
+
+  // If there are less than 10 movies in the vector,
+  // all will be printed.  If there are more than 10
+  // movies in the vector, only the first 10 will be printed
+  write_top_10(movies_1);
+
+  return 0;
+}
diff --git a/cs/threadpool/producer.consumer.api/bounded.buffer.cs b/cs/threadpool/producer.consumer.api/bounded.buffer.cs

Original file line number	Diff line number	Diff line change
`@@ -4,6 +4,7 @@`
`4`	`4`	`#include <random>`
`5`	`5`	`#include <range/v3/all.hpp>`
`6`	`6`
	`7`	`+using namespace ranges::v3;`
`7`	`8`	`using namespace std;`
`8`	`9`
`9`	`10`	`void print(const auto& a)`
`@@ -22,7 +23,7 @@ int main()`
`22`	`23`
`23`	`24`	`for (int i{}; i != 3; ++i)`
`24`	`25`	`{`
`25`		`- ::ranges::action::shuffle(a, gen);`
	`26`	`+ action::shuffle(a, gen);`
`26`	`27`	`print(a);`
`27`	`28`	`}`
`28`	`29`
Original file line number	Diff line number	Diff line change
`@@ -6,8 +6,8 @@`
`6`	`6`	`#include <range/v3/action/take.hpp>`
`7`	`7`	`#include <range/v3/view/all.hpp>`
`8`	`8`
	`9`	`+using namespace ranges::v3;`
`9`	`10`	`using namespace std;`
`10`		`-using namespace ::ranges;`
`11`	`11`
`12`	`12`	`int main()`
`13`	`13`	`{`
Original file line number	Diff line number	Diff line change
`@@ -7,9 +7,9 @@`
`7`	`7`
`8`	`8`	`#include <boost/format.hpp>`
`9`	`9`
	`10`	`+using namespace ranges::v3;`
`10`	`11`	`using namespace std;`
`11`	`12`	`using namespace boost;`
`12`		`- namespace view = ::ranges::views;`
`13`	`13`
`14`	`14`	`struct user`
`15`	`15`	`{`