std::experimental::ranges::indirect_result_of

From cppreference.com
< cpp‎ | experimental‎ | ranges
 
 
Technical specifications
Filesystem library (filesystem TS)
Library fundamentals (library fundamentals TS)
Library fundamentals 2 (library fundamentals TS v2)
Library fundamentals 3 (library fundamentals TS v3)
Extensions for parallelism (parallelism TS)
Extensions for parallelism 2 (parallelism TS v2)
Extensions for concurrency (concurrency TS)
Extensions for concurrency 2 (concurrency TS v2)
Concepts (concepts TS)
Ranges (ranges TS)
Reflection (reflection TS)
Mathematical special functions (special functions TR)
 
 
Iterators library
Iterator concepts
Indirect callable concepts
                                                  
                                                  
                                                  
Common algorithm requirements
                                                  
Concept utilities
indirect_result_of
Iterator utilities and operations
Iterator traits
Iterator adaptors
Stream iterators
 
template< class > struct indirect_result_of {};


template< class F, class... Is >
    requires Invocable<F, ranges::reference_t<Is>...>
struct indirect_result_of<F(Is...)>

    : std::result_of<F(ranges::reference_t<Is>&&...)> {};
(ranges TS)