std::execution Symbol Index
From cppreference.com
                    
                                        
                    < cpp | symbol index
                    
                                                            
                    
This page tries to list all the symbols that are available from the Standard Library in the namespace std::execution::. The symbols are written as follows:
- Function names with ().
- Templates with <>.
  P   S   U 
P
par (since C++17) 
par_unseq (since C++17) 
parallel_policy (since C++17) 
parallel_unsequenced_policy (since C++17) 
S
seq (since C++17) 
sequenced_policy (since C++17) 
U
unseq (since C++20) 
unsequenced_policy (since C++20)