Circular Buffer

Challenge Overview

A data structure that uses a single, fixed-size buffer as if it were connected end-to-end.

Visit the circular-buffer exercise on Exercism to read the full instructions and download the exercise files.

Community Solutions

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The following are the top 3 community solutions by stars:

Solution 1 by @brunopagno (⭐ 0) — View on Exercism
Solution 2 by @bossek (⭐ 0) — View on Exercism
Solution 3 by @jimpjorps (⭐ 0) — View on Exercism

Source: Exercism gleam/circular-buffer

💡 View Solution

pub opaque type CircularBuffer(t) {
  CircularBuffer(q: Queue(t), capacity: Int)
}

pub fn new(capacity: Int) -> CircularBuffer(t) {
  CircularBuffer(q: queue.new(), capacity: capacity)
}

pub fn read(buffer: CircularBuffer(t)) -> Result(#(t, CircularBuffer(t)), Nil) {
  case queue.pop_front(buffer.q) {