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std_types::hash_table/std::map_reduce
combines a map and a reduce operation into a single operation
Parameters
- self
- the table to work on
- map_function
- the function to apply to each element of the table
- reduce_function (default: append)
- the function to apply to pairs of values
- unit (default: undefined)
- the value to return for empty tables
Results
None
Description
Does not create an intermediate table to hold the "mapped" values.
Topic
Tables
Implements
| std::map_reduce |
combines a map and a reduce operation into a single operation |
See also
| std::map |
applies a function to all items of a collection |
| std::reduce |
computes a kind of sum from the items of a collection |