What is the basic difference between fold and reduce in Kotlin?
fold
reduce
fold takes an initial accumulator value and applies a binary operation to the elements and the accumulator, while reduce uses the first element as the initial accumulator value.
fold and reduce are equivalent and can be used interchangeably.
fold can only be used with collections, while reduce can be used with any data type.
fold and reduce are both used for filtering elements in a collection.