RepeatIterator

RepeatIterator: RepeatIterator, hasValue, value, increment, print, toList, sum

struct RepeatIterator<T: Copyable>: Iterator<T&>, Printable

Lazily repeats a value a number of times without allocating. Get one from repeat(); collect the results with toList().

RepeatIterator(T value, int count)

Initializes an iterator yielding value count times.

bool hasValue()

Returns true if there are repetitions remaining.

T& value()

Returns the repeated value.

void increment()

Advances to the next repetition.

void print(OutputStream& stream)

Prints the remaining values in list form, e.g. [1, 2, 3].

List<T> toList()

Collects the repetitions into a list by copying them; only sound for Copyable elements.

T sum()

Returns the sum of the remaining elements, or zero if there are none.