FM / execution

/usr/include/boost/asio/execution

Name	Size	Mode	Actions
detail/	-	0755	rm
impl/	-	0755	rm
allocator.hpp	7823	0644	edit dl rm
any_executor.hpp	70761	0644	edit dl rm
bad_executor.hpp	1310	0644	edit dl rm
blocking.hpp	41336	0644	edit dl rm
blocking_adaptation.hpp	33522	0644	edit dl rm
bulk_execute.hpp	12972	0644	edit dl rm
bulk_guarantee.hpp	32421	0644	edit dl rm
connect.hpp	14688	0644	edit dl rm
context.hpp	5574	0644	edit dl rm
context_as.hpp	6328	0644	edit dl rm
execute.hpp	7579	0644	edit dl rm
executor.hpp	7069	0644	edit dl rm
invocable_archetype.hpp	2037	0644	edit dl rm
mapping.hpp	28989	0644	edit dl rm
occupancy.hpp	5501	0644	edit dl rm
operation_state.hpp	2750	0644	edit dl rm
outstanding_work.hpp	23123	0644	edit dl rm
prefer_only.hpp	9569	0644	edit dl rm
receiver.hpp	9669	0644	edit dl rm
receiver_invocation_error.hpp	1415	0644	edit dl rm
relationship.hpp	22518	0644	edit dl rm
schedule.hpp	7545	0644	edit dl rm
scheduler.hpp	2374	0644	edit dl rm
sender.hpp	8539	0644	edit dl rm
set_done.hpp	6640	0644	edit dl rm
set_error.hpp	7367	0644	edit dl rm
set_value.hpp	15285	0644	edit dl rm
start.hpp	6218	0644	edit dl rm
submit.hpp	13478	0644	edit dl rm

Edit: /usr/include/boost/asio/execution/prefer_only.hpp (9569B)

#ifndef BOOST_ASIO_EXECUTION_PREFER_ONLY_HPP
#define BOOST_ASIO_EXECUTION_PREFER_ONLY_HPP

#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)

#include <boost/asio/detail/config.hpp>
#include <boost/asio/detail/type_traits.hpp>
#include <boost/asio/is_applicable_property.hpp>
#include <boost/asio/prefer.hpp>
#include <boost/asio/query.hpp>
#include <boost/asio/traits/static_query.hpp>

#include <boost/asio/detail/push_options.hpp>

namespace boost {
namespace asio {

#if defined(GENERATING_DOCUMENTATION)

namespace execution {

/// A property adapter that is used with the polymorphic executor wrapper
/// to mark properties as preferable, but not requirable.
template <typename Property>
struct prefer_only
{
  /// The prefer_only adapter applies to the same types as the nested property.
  template <typename T>
  static constexpr bool is_applicable_property_v =
    is_applicable_property<T, Property>::value;

/// The context_t property cannot be required.
  static constexpr bool is_requirable = false;

/// The context_t property can be preferred, it the underlying property can
  /// be preferred.
  /**
   * @c true if @c Property::is_preferable is @c true, otherwise @c false.
   */
  static constexpr bool is_preferable = automatically_determined;

/// The type returned by queries against an @c any_executor.
  typedef typename Property::polymorphic_query_result_type
    polymorphic_query_result_type;
};

} // namespace execution

#else // defined(GENERATING_DOCUMENTATION)

namespace execution {
namespace detail {

template <typename InnerProperty, typename = void>
struct prefer_only_is_preferable
{
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_preferable = false);
};

template <typename InnerProperty>
struct prefer_only_is_preferable<InnerProperty,
    typename enable_if<
      InnerProperty::is_preferable
    >::type>
{
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_preferable = true);
};

template <typename InnerProperty, typename = void>
struct prefer_only_polymorphic_query_result_type
{
};

template <typename InnerProperty>
struct prefer_only_polymorphic_query_result_type<InnerProperty,
    typename void_type<
      typename InnerProperty::polymorphic_query_result_type
    >::type>
{
  typedef typename InnerProperty::polymorphic_query_result_type
    polymorphic_query_result_type;
};

template <typename InnerProperty, typename = void>
struct prefer_only_property
{
  InnerProperty property;

prefer_only_property(const InnerProperty& p)
    : property(p)
  {
  }
};

#if defined(BOOST_ASIO_HAS_DECLTYPE) \
  && defined(BOOST_ASIO_HAS_WORKING_EXPRESSION_SFINAE)

template <typename InnerProperty>
struct prefer_only_property<InnerProperty,
    typename void_type<
      decltype(boost::asio::declval<const InnerProperty>().value())
    >::type>
{
  InnerProperty property;

prefer_only_property(const InnerProperty& p)
    : property(p)
  {
  }

BOOST_ASIO_CONSTEXPR auto value() const
    BOOST_ASIO_NOEXCEPT_IF((
      noexcept(boost::asio::declval<const InnerProperty>().value())))
    -> decltype(boost::asio::declval<const InnerProperty>().value())
  {
    return property.value();
  }
};

#else // defined(BOOST_ASIO_HAS_DECLTYPE)
      //   && defined(BOOST_ASIO_HAS_WORKING_EXPRESSION_SFINAE)

struct prefer_only_memfns_base
{
  void value();
};

template <typename T>
struct prefer_only_memfns_derived
  : T, prefer_only_memfns_base
{
};

template <typename T, T>
struct prefer_only_memfns_check
{
};

template <typename>
char (&prefer_only_value_memfn_helper(...))[2];

template <typename T>
char prefer_only_value_memfn_helper(
    prefer_only_memfns_check<
      void (prefer_only_memfns_base::*)(),
      &prefer_only_memfns_derived<T>::value>*);

template <typename InnerProperty>
struct prefer_only_property<InnerProperty,
    typename enable_if<
      sizeof(prefer_only_value_memfn_helper<InnerProperty>(0)) != 1
        && !is_same<typename InnerProperty::polymorphic_query_result_type,
          void>::value
    >::type>
{
  InnerProperty property;

prefer_only_property(const InnerProperty& p)
    : property(p)
  {
  }

BOOST_ASIO_CONSTEXPR typename InnerProperty::polymorphic_query_result_type
  value() const
  {
    return property.value();
  }
};

#endif // defined(BOOST_ASIO_HAS_DECLTYPE)
       //   && defined(BOOST_ASIO_HAS_WORKING_EXPRESSION_SFINAE)

} // namespace detail

template <typename InnerProperty>
struct prefer_only :
  detail::prefer_only_is_preferable<InnerProperty>,
  detail::prefer_only_polymorphic_query_result_type<InnerProperty>,
  detail::prefer_only_property<InnerProperty>
{
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_requirable = false);

BOOST_ASIO_CONSTEXPR prefer_only(const InnerProperty& p)
    : detail::prefer_only_property<InnerProperty>(p)
  {
  }

#if defined(BOOST_ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) \
  && defined(BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
  template <typename T>
  static BOOST_ASIO_CONSTEXPR
  typename traits::static_query<T, InnerProperty>::result_type
  static_query()
    BOOST_ASIO_NOEXCEPT_IF((
      traits::static_query<T, InnerProperty>::is_noexcept))
  {
    return traits::static_query<T, InnerProperty>::value();
  }

template <typename E, typename T = decltype(prefer_only::static_query<E>())>
  static BOOST_ASIO_CONSTEXPR const T static_query_v
    = prefer_only::static_query<E>();
#endif // defined(BOOST_ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT)
       //   && defined(BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)

template <typename Executor, typename Property>
  friend BOOST_ASIO_CONSTEXPR
  typename prefer_result<const Executor&, const InnerProperty&>::type
  prefer(const Executor& ex, const prefer_only<Property>& p,
      typename enable_if<
        is_same<Property, InnerProperty>::value
          && can_prefer<const Executor&, const InnerProperty&>::value
      >::type* = 0)
#if !defined(BOOST_ASIO_MSVC) \
  && !defined(__clang__) // Clang crashes if noexcept is used here.
    BOOST_ASIO_NOEXCEPT_IF((
      is_nothrow_prefer<const Executor&, const InnerProperty&>::value))
#endif // !defined(BOOST_ASIO_MSVC)
       //   && !defined(__clang__)
  {
    return boost::asio::prefer(ex, p.property);
  }

template <typename Executor, typename Property>
  friend BOOST_ASIO_CONSTEXPR
  typename query_result<const Executor&, const InnerProperty&>::type
  query(const Executor& ex, const prefer_only<Property>& p,
      typename enable_if<
        is_same<Property, InnerProperty>::value
          && can_query<const Executor&, const InnerProperty&>::value
      >::type* = 0)
#if !defined(BOOST_ASIO_MSVC) \
  && !defined(__clang__) // Clang crashes if noexcept is used here.
    BOOST_ASIO_NOEXCEPT_IF((
      is_nothrow_query<const Executor&, const InnerProperty&>::value))
#endif // !defined(BOOST_ASIO_MSVC)
       //   && !defined(__clang__)
  {
    return boost::asio::query(ex, p.property);
  }
};

#if defined(BOOST_ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) \
  && defined(BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
template <typename InnerProperty> template <typename E, typename T>
const T prefer_only<InnerProperty>::static_query_v;
#endif // defined(BOOST_ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT)
       //   && defined(BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)

} // namespace execution

template <typename T, typename InnerProperty>
struct is_applicable_property<T, execution::prefer_only<InnerProperty> >
  : is_applicable_property<T, InnerProperty>
{
};

namespace traits {

#if !defined(BOOST_ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) \
  || !defined(BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)

template <typename T, typename InnerProperty>
struct static_query<T, execution::prefer_only<InnerProperty> > :
  static_query<T, const InnerProperty&>
{
};

#endif // !defined(BOOST_ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT)
       //   || !defined(BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)

#if !defined(BOOST_ASIO_HAS_DEDUCED_PREFER_FREE_TRAIT)

template <typename T, typename InnerProperty>
struct prefer_free_default<T, execution::prefer_only<InnerProperty>,
    typename enable_if<
      can_prefer<const T&, const InnerProperty&>::value
    >::type>
{
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_noexcept =
    (is_nothrow_prefer<const T&, const InnerProperty&>::value));

typedef typename prefer_result<const T&,
      const InnerProperty&>::type result_type;
};

#endif // !defined(BOOST_ASIO_HAS_DEDUCED_PREFER_FREE_TRAIT)

#if !defined(BOOST_ASIO_HAS_DEDUCED_QUERY_FREE_TRAIT)

template <typename T, typename InnerProperty>
struct query_free<T, execution::prefer_only<InnerProperty>,
    typename enable_if<
      can_query<const T&, const InnerProperty&>::value
    >::type>
{
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_noexcept =
    (is_nothrow_query<const T&, const InnerProperty&>::value));

typedef typename query_result<const T&,
      const InnerProperty&>::type result_type;
};

#endif // !defined(BOOST_ASIO_HAS_DEDUCED_QUERY_FREE_TRAIT)

} // namespace traits

#endif // defined(GENERATING_DOCUMENTATION)

} // namespace asio
} // namespace boost

#include <boost/asio/detail/pop_options.hpp>

#endif // BOOST_ASIO_EXECUTION_PREFER_ONLY_HPP

// // execution/prefer_only.hpp // ~~~~~~~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com) // // Distributed under the Boost Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // #ifndef BOOST_ASIO_EXECUTION_PREFER_ONLY_HPP #define BOOST_ASIO_EXECUTION_PREFER_ONLY_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include #include #include #include #include #include #include namespace boost { namespace asio { #if defined(GENERATING_DOCUMENTATION) namespace execution { /// A property adapter that is used with the polymorphic executor wrapper /// to mark properties as preferable, but not requirable. template struct prefer_only { /// The prefer_only adapter applies to the same types as the nested property. template static constexpr bool is_applicable_property_v = is_applicable_property::value; /// The context_t property cannot be required. static constexpr bool is_requirable = false; /// The context_t property can be preferred, it the underlying property can /// be preferred. /** * @c true if @c Property::is_preferable is @c true, otherwise @c false. */ static constexpr bool is_preferable = automatically_determined; /// The type returned by queries against an @c any_executor. typedef typename Property::polymorphic_query_result_type polymorphic_query_result_type; }; } // namespace execution #else // defined(GENERATING_DOCUMENTATION) namespace execution { namespace detail { template struct prefer_only_is_preferable { BOOST_ASIO_STATIC_CONSTEXPR(bool, is_preferable = false); }; template struct prefer_only_is_preferable::type> { BOOST_ASIO_STATIC_CONSTEXPR(bool, is_preferable = true); }; template struct prefer_only_polymorphic_query_result_type { }; template struct prefer_only_polymorphic_query_result_type::type> { typedef typename InnerProperty::polymorphic_query_result_type polymorphic_query_result_type; }; template struct prefer_only_property { InnerProperty property; prefer_only_property(const InnerProperty& p) : property(p) { } }; #if defined(BOOST_ASIO_HAS_DECLTYPE) \ && defined(BOOST_ASIO_HAS_WORKING_EXPRESSION_SFINAE) template struct prefer_only_property().value()) >::type> { InnerProperty property; prefer_only_property(const InnerProperty& p) : property(p) { } BOOST_ASIO_CONSTEXPR auto value() const BOOST_ASIO_NOEXCEPT_IF(( noexcept(boost::asio::declval().value()))) -> decltype(boost::asio::declval().value()) { return property.value(); } }; #else // defined(BOOST_ASIO_HAS_DECLTYPE) // && defined(BOOST_ASIO_HAS_WORKING_EXPRESSION_SFINAE) struct prefer_only_memfns_base { void value(); }; template struct prefer_only_memfns_derived : T, prefer_only_memfns_base { }; template struct prefer_only_memfns_check { }; template char (&prefer_only_value_memfn_helper(...))[2]; template char prefer_only_value_memfn_helper( prefer_only_memfns_check< void (prefer_only_memfns_base::*)(), &prefer_only_memfns_derived::value>*); template struct prefer_only_property(0)) != 1 && !is_same::value >::type> { InnerProperty property; prefer_only_property(const InnerProperty& p) : property(p) { } BOOST_ASIO_CONSTEXPR typename InnerProperty::polymorphic_query_result_type value() const { return property.value(); } }; #endif // defined(BOOST_ASIO_HAS_DECLTYPE) // && defined(BOOST_ASIO_HAS_WORKING_EXPRESSION_SFINAE) } // namespace detail template struct prefer_only : detail::prefer_only_is_preferable, detail::prefer_only_polymorphic_query_result_type, detail::prefer_only_property { BOOST_ASIO_STATIC_CONSTEXPR(bool, is_requirable = false); BOOST_ASIO_CONSTEXPR prefer_only(const InnerProperty& p) : detail::prefer_only_property(p) { } #if defined(BOOST_ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) \ && defined(BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES) template static BOOST_ASIO_CONSTEXPR typename traits::static_query::result_type static_query() BOOST_ASIO_NOEXCEPT_IF(( traits::static_query::is_noexcept)) { return traits::static_query::value(); } template ())> static BOOST_ASIO_CONSTEXPR const T static_query_v = prefer_only::static_query(); #endif // defined(BOOST_ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) // && defined(BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES) template friend BOOST_ASIO_CONSTEXPR typename prefer_result::type prefer(const Executor& ex, const prefer_only& p, typename enable_if< is_same::value && can_prefer::value >::type* = 0) #if !defined(BOOST_ASIO_MSVC) \ && !defined(__clang__) // Clang crashes if noexcept is used here. BOOST_ASIO_NOEXCEPT_IF(( is_nothrow_prefer::value)) #endif // !defined(BOOST_ASIO_MSVC) // && !defined(__clang__) { return boost::asio::prefer(ex, p.property); } template friend BOOST_ASIO_CONSTEXPR typename query_result::type query(const Executor& ex, const prefer_only& p, typename enable_if< is_same::value && can_query::value >::type* = 0) #if !defined(BOOST_ASIO_MSVC) \ && !defined(__clang__) // Clang crashes if noexcept is used here. BOOST_ASIO_NOEXCEPT_IF(( is_nothrow_query::value)) #endif // !defined(BOOST_ASIO_MSVC) // && !defined(__clang__) { return boost::asio::query(ex, p.property); } }; #if defined(BOOST_ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) \ && defined(BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES) template template const T prefer_only::static_query_v; #endif // defined(BOOST_ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) // && defined(BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES) } // namespace execution template struct is_applicable_property > : is_applicable_property { }; namespace traits { #if !defined(BOOST_ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) \ || !defined(BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES) template struct static_query > : static_query { }; #endif // !defined(BOOST_ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) // || !defined(BOOST_ASIO_HAS_SFINAE_VARIABLE_TEMPLATES) #if !defined(BOOST_ASIO_HAS_DEDUCED_PREFER_FREE_TRAIT) template struct prefer_free_default, typename enable_if< can_prefer::value >::type> { BOOST_ASIO_STATIC_CONSTEXPR(bool, is_valid = true); BOOST_ASIO_STATIC_CONSTEXPR(bool, is_noexcept = (is_nothrow_prefer::value)); typedef typename prefer_result::type result_type; }; #endif // !defined(BOOST_ASIO_HAS_DEDUCED_PREFER_FREE_TRAIT) #if !defined(BOOST_ASIO_HAS_DEDUCED_QUERY_FREE_TRAIT) template struct query_free, typename enable_if< can_query::value >::type> { BOOST_ASIO_STATIC_CONSTEXPR(bool, is_valid = true); BOOST_ASIO_STATIC_CONSTEXPR(bool, is_noexcept = (is_nothrow_query::value)); typedef typename query_result::type result_type; }; #endif // !defined(BOOST_ASIO_HAS_DEDUCED_QUERY_FREE_TRAIT) } // namespace traits #endif // defined(GENERATING_DOCUMENTATION) } // namespace asio } // namespace boost #include #endif // BOOST_ASIO_EXECUTION_PREFER_ONLY_HPP