Flast

template <typename T, typename... A>
template <typename R, typename... V, typename = std::void_t<
    std::enable_if_t<std::is_convertible_v<R, T>>
  , std::enable_if_t<std::is_convertible_v<V, A>>...
>>
explicit std::packaged_task<T(A...)>::packaged_task(std::packaged_task<R(V...)>&& other);

Flast

function pp(object, depth, embedded) { 
  typeof(depth) == "number" || (depth = 0)
  typeof(embedded) == "boolean" || (embedded = false)
  var newline = false
  var spacer = function(depth) { var spaces = ""; for (var i=0;i<depth;i++) { spaces += "  "}; return spaces }
  var pretty = ""
  if (      typeof(object) == "undefined" ) { pretty += "undefined" }
  else if ( typeof(object) == "boolean" || 
            typeof(object) == "number" ) {    pretty += object.toString() } 
  else if ( typeof(object) == "string" ) {    pretty += "\"" + object + "\"" } 

Flast

#define BOOST_RESULT_OF_USE_DECLTYPE

#include <chrono>
#include <thread>
#include <boost/mpi.hpp>

#include <iostream>
#include <sstream>

#include <utility>