Signature: map(iterator: iterator, fn: function) -> iterator
Description: Transforms each element in an iterator using a function, returning a new iterator.
Parameters
- iterator (Iterator
): The iterator to transform - fn (T -> U): The transformation function
Returns: Iterator
Example
let doubled = map(range(1, 4), fn(x) { x * 2 })
forEach(doubled, print) // Prints: 2, 4, 6