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Exercism

Wren

via Exercism

Overview

Wren is a small, fast, class-based concurrent scripting language. Think Smalltalk in a Lua-sized package with a dash of Erlang and wrapped up in a familiar, modern syntax. Small. The VM is under 4,000 semicolons of readable and lovingly-commented C.

Syllabus

  • Hello World
  • Two Fer
  • Leap Years
  • Resistor Color
  • RNA Transcription
  • High Scores
  • Collatz Conjecture
  • Hamming
  • Triangle
  • Bank Account
  • Acronym
  • Accumulate
  • Grains
  • Darts
  • Difference of Squares
  • Armstrong Numbers
  • Nucleotide Count
  • Protein Translation
  • Raindrops
  • Resistor Color Duo
  • Reverse String
  • Scrabble Score
  • Space Age
  • Matching Brackets
  • Word Count
  • D&D Character
  • Isogram
  • Binary
  • Flatten Array
  • Allergies
  • Bob
  • Anagram
  • Roman Numerals
  • ISBN Verifier
  • Resistor Color Trio
  • Square Root
  • Twelve Days
  • Beer Song
  • Diamond
  • Luhn
  • Clock
  • Pig Latin
  • Sieve
  • Custom Set
  • Run Length Encoding
  • Atbash Cipher
  • Robot Simulator
  • Spiral Matrix
  • Queen Attack
  • Affine Cipher
  • Robot Name
  • Simple Linked List
  • Grade School
  • Circular Buffer
  • Binary Search Tree
  • Simple Cipher
  • Wordy
  • Rational Numbers
  • Two Bucket
  • Complex Numbers
  • Linked List
  • Minesweeper
  • Grep
  • Rectangles
  • Change
  • Forth
  • List Ops

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