ReasonML

1,284 students

About

Exercises

Build Status

14 contributors

39 mentors

1,284
students have developed their ReasonML skills on Exercism.

Students

1,284

Submissions

4,020

Mentoring Discussions

119

The ReasonML track needs attention ⚠️

Building

Build

Use your knowledge to build the ReasonML track itself

14 contributors

Build Test Runners

Learn More

Create Test Runners that have the single responsibility of taking a solution, running all tests and returning a standardized output.

Next goal: Get Test Runners to Version 2. ReasonML is currently utilising a Version 1 Test Runner. Find out more.

Usage statistics

Total Test Runner Runs

2,855

Test Run Pass Rate

54.1% (1545)

Test Run Fail Rate

28.5% (815)

Test Run Error Rate

17.3% (495)

Build Analyzers

Learn More

Build an Analyzer for ReasonML: Exercism's analyzers automatically assess student's submissions and provide mentor-style commentary.

Next goal: Build an Analyzer. Find out more.

Build Representers

Learn More

Build a Representer: a bit of code that has the single responsibility of taking a solution and returning a normalized representation of it.

Next goal: Build a Representer. Find out more.

Create Practice Exercises

Learn More

Practice Exercises are exercises designed to allow students to solve an arbitrary problem, with the aim of them making use of the concepts they have learned so far.

Next goal: Implement at least 30 practice exercises. Find out more.

Usage statistics

24 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

711

917 (avg. 1.3)

515 (72.4%)

0 (0.0%)

Leap

410

848 (avg. 2.1)

245 (59.8%)

68 (16.6%)

Bob

196

443 (avg. 2.3)

108 (55.1%)

12 (6.1%)

RNA Transcription

140

288 (avg. 2.1)

112 (80.0%)

6 (4.3%)

Word Count

112

148 (avg. 1.3)

55 (49.1%)

2 (1.8%)

Phone Number

53 (avg. 1.2)

31 (68.9%)

1 (2.2%)

Binary Search

56 (avg. 1.4)

26 (63.4%)

1 (2.4%)

Run-Length Encoding

36 (avg. 1.0)

20 (54.1%)

1 (2.7%)

Resistor Color

113

145 (avg. 1.3)

90 (79.6%)

0 (0.0%)

Two Fer

161

171 (avg. 1.1)

121 (75.2%)

0 (0.0%)

Armstrong Numbers

93 (avg. 1.2)

54 (70.1%)

6 (7.8%)

Space Age

192

198 (avg. 1.0)

140 (72.9%)

10 (5.2%)

Roman Numerals

47 (avg. 1.1)

25 (58.1%)

2 (4.7%)

Raindrops

122 (avg. 1.5)

66 (79.5%)

4 (4.8%)

Allergies

33 (avg. 1.4)

16 (66.7%)

0 (0.0%)

Accumulate

46 (avg. 1.5)

26 (83.9%)

1 (3.2%)

Protein Translation

27 (avg. 1.2)

15 (65.2%)

0 (0.0%)

Anagram

58 (avg. 1.1)

37 (71.2%)

0 (0.0%)

Isogram

38 (avg. 1.0)

28 (71.8%)

0 (0.0%)

Pangram

51 (avg. 1.0)

37 (75.5%)

0 (0.0%)

All Your Base

19 (avg. 0.8)

14 (60.9%)

0 (0.0%)

Change

41 (avg. 1.5)

13 (46.4%)

1 (3.6%)

Minesweeper

18 (avg. 0.7)

15 (57.7%)

0 (0.0%)

Acronym

124 (avg. 1.3)

50 (53.2%)

6 (6.4%)

105 unimplemented practice exercises

Affine Cipher

Alphametics

Atbash Cipher

Bank Account

Binary Search Tree

Book Store

Bottle Song

Bowling

Circular Buffer

Clock

Collatz Conjecture

Complex Numbers

Connect

Crypto Square

Custom Set

D&D Character

DOT DSL

Darts

Diamond

Difference of Squares

Dominoes

ETL

Error Handling

Flatten Array

Food Chain

Forth

Gigasecond

Go Counting

Grade School

Grains

Grep

Hamming

Hangman

High Scores

House

ISBN Verifier

Killer Sudoku Helper

Kindergarten Garden

Knapsack

Largest Series Product

Ledger

Lens Person

Linked List

List Ops

Luhn

Markdown

Matching Brackets

Matrix

Meetup

Micro Blog

Nth Prime

Nucleotide Count

OCR Numbers

POV

PaaS I/O

Palindrome Products

Parallel Letter Frequency

Pascal's Triangle

Perfect Numbers

Pig Latin

Poker

Prime Factors

Proverb

Pythagorean Triplet

Queen Attack

REST API

Rail Fence Cipher

Rational Numbers

React

Rectangles

Resistor Color Duo

Resistor Color Trio

Reverse String

Robot Name

Robot Simulator

Rotational Cipher

SGF Parsing

Saddle Points

Satellite

Say

Scale Generator

Scrabble Score

Secret Handshake

Series

Sieve

Simple Cipher

Simple Linked List

Spiral Matrix

Square Root

State of Tic-Tac-Toe

Strain

Sublist

Sum of Multiples

Tournament

Transpose

Tree Building

Triangle

Twelve Days

Two Bucket

Variable Length Quantity

Word Search

Wordy

Yacht

Zebra Puzzle

Zipper

Volunteers

stevejb71

1,010

tejasbubane

788

ErikSchierboom

367

+ 4 more

We 💙 our volunteers

Exercism relies on open-source volunteers to build our language tracks and mentor students.

Become an Exercism Volunteer

Language Tracks

#12in23 Challenge

Your Journey

Community Videos

Brief Introduction Series

Interviews & Stories

Discord

Forum

Getting started

Mentoring

Docs

Contributors

About Exercism

Our Impact

Donate

Insiders

SWAG

1,284 students have developed their ReasonML skills on Exercism.

The ReasonML track needs attention ⚠️

Build

Build Test Runners

Usage statistics

Build Analyzers

Build Representers

Create Practice Exercises

Usage statistics

We 💙 our volunteers

1,284
students have developed their ReasonML skills on Exercism.