Some doc fixes

doc/index.dox

@@ -1,5 +1,5 @@
 /*
-  Copyright(c) 2015 - 2019 Denis Blank <denis.blank at outlook dot com>
+  Copyright(c) 2015 - 2020 Denis Blank <denis.blank at outlook dot com>
 
   Permission is hereby granted, free of charge, to any person obtaining a copy
   of this software and associated documentation files(the "Software"), to deal
@@ -76,7 +76,7 @@ your personal experience in using the library to improve it.
 Continuable is licensed under the MIT license:
 
 >
->   Copyright(c) 2015 - 2019 Denis Blank <denis.blank at outlook dot com>
+>   Copyright(c) 2015 - 2020 Denis Blank <denis.blank at outlook dot com>
 >
 >   Permission is hereby granted, free of charge, to any person obtaining a copy
 >   of this software and associated documentation files(the "Software"), to deal

doc/tutorial-promisify-continuables.dox

@@ -70,5 +70,30 @@ async_resolve("127.0.0.1", "daytime")
   });
 \endcode
 
+
+\section tutorial-promisify-continuables-boost-ct asio and boost::asio async completion tokens
+
+Since version 4.0.0 continuable also supports asio async initiation tokens.
+
+- Boost 1.70 and asio 1.13.0 is required for the async initiation
+- Until boost 1.72 and asio 1.16.0 overhead through an additional type
+  erasure is added. It is recommeded to update to those versions.
+
+The special static variable \ref cti::use_continuable can be appended to any
+(boost) asio function that accepts a callback to make it return a \ref continuable_base.
+
+\code{.cpp}
+#include <continuable/continuable.hpp>
+#include <continuable/external/asio.hpp>
+#include <asio.hpp>
+
+// ...
+
+asio::tcp::resolver resolver(...);
+resolver.async_resolve("127.0.0.1", "daytime", cti::use_continuable)
+  .then([](asio::udp::resolver::iterator iterator) {
+    // ...
+  });
+\endcode
 */
 }

doc/tutorial-transforming-continuables.dox

@@ -30,28 +30,37 @@ namespace cti {
 
 Sometimes it's required to change a \ref continuable_base object by its whole.
 Thus the library offers the ability to apply a transformation to any
-\ref continuable_base through using \link continuable_base::apply apply \endlink
-or \link continuable_base::operator | its operator | \endlink.
+\ref continuable_base through using \link continuable_base::apply apply \endlink.
 
-A transformation accepts a \ref continuable_base and returns
-an arbitrary object.
-
-To create a transformation use the \ref make_transform function:
-
-\code{.cpp}
-auto transform = cti::make_transform([] (auto&& continuable) {
-  // Change the continuable
-  return std::forward<decltype(continuable)>(continuable);
-});
-\endcode
+A transformation is a callable object that accepts a \ref continuable_base
+and returns an arbitrary object
 
 The library provides several transforms already as part of the
 \ref cti::transforms namespace.
 
+\section tutorial-transforming-continuables-wait Synchronous wait
+
+The library is capable of converting every asynchronous control flow
+into a synchronous one through \ref transforms::wait, \ref transforms::wait_for
+and \ref transforms::wait_until.
+
+\code{.cpp}
+std::string response = http_request("github.com")
+  .apply(cti::transforms::wait());
+
+std::string response = http_request("github.com")
+  .apply(cti::transforms::wait_for(std::chrono::seconds(5)));
+
+std::string response = http_request("github.com")
+  .apply(cti::transforms::wait_until(...));
+\endcode
+
+The current thread will be blocked until the result has arrived
+
 \section tutorial-transforming-continuables-future Conversion into std::future
 
 The library is capable of converting (*futurizing*) every continuable into a
-fitting `std::future` through the \ref transforms::futurize transform:
+fitting `std::future` through the \ref transforms::to_future transform:
 
 \code{.cpp}
 std::future<std::string> future = http_request("github.com")
@@ -59,17 +68,17 @@ std::future<std::string> future = http_request("github.com")
     // Do sth...
     return http_request("travis-ci.org") || http_request("atom.io");
   })
-  .apply(cti::transforms::futurize());
+  .apply(cti::transforms::to_future());
 // ^^^^^^^^
 \endcode
 
 Multiple arguments which can't be handled by `std::future` itself are
-converted into `std::tuple`, see \ref transforms::futurize for details.
+converted into `std::tuple`, see \ref transforms::to_future for details.
 
 \code{.cpp}
 std::future<std::tuple<std::string, std::string>> future =
   (http_request("travis-ci.org") && http_request("atom.io"))
-    .apply(cti::transforms::futurize());
+    .apply(cti::transforms::to_future());
 \endcode
 */
 }

include/continuable/continuable-base.hpp

@@ -623,7 +623,7 @@ public:
   /// Invalidates the continuable and returns its immediate invocation result.
   ///
   /// This method can be used to specialize the asynchronous control flow
-  /// based on whether the continuable ìs_ready at every time,
+  /// based on whether the continuable_base is_ready at every time,
   /// which is true for a continuable created through the following functions:
   ///   - make_ready_continuable
   ///   - make_exceptional_continuable