Home   Manual   Type Index   Symbol Index   Topics Index


computes a kind of sum from the items of a collection


There is no guarantee in which order the values will be reduced (folded).

So the the reduction function must obey to the law of assosiativity!

See also

std::map   applies a function to all items of a collection
std::map_reduce   combines a map and a reduce operation into a single operation
std::filter   returns a collection containing all the items that fullfill thefilter-condition

Implemented by

std_types::generic_list  as  std_types::generic_list/std::reduce
std_types::value_range  as  std_types::value_range/std::reduce