Map maps a value into another value. It's a function call. Easy to understand.Filter picks values according to a rule. It's a select from where condition. Maybe not as easy as map but familiar.Reduce is, what? Even the name is ill fated. Who wants to be reduced? Hence, harder to understand and probably not as common as the other two.
pmontra · · focus · HN ↗
Filter picks values according to a rule. It's a select from where condition. Maybe not as easy as map but familiar.
Reduce is, what? Even the name is ill fated. Who wants to be reduced? Hence, harder to understand and probably not as common as the other two.