Skip to Content
Haskell Cookbook
book

Haskell Cookbook

by Yogesh Sajanikar
September 2017
Beginner to intermediate
396 pages
9h 46m
English
Packt Publishing
Content preview from Haskell Cookbook

Dissecting Hello World

We will now look at different parts of the Main.hs program that we just created to understand the structure of a typical Haskell program. For convenience, the screenshot of the program is attached here:

The first line means that we are defining a module called Main. The source that follows where is contained in this module. In the absence of any specifications, all the functions defined in the module are exported, that is, they will be available to be used by  importing the Main module.

The line number 3 (in the screenshot) that starts with -- is a comment. -- is used to represent a single-line comment. It can appear ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

Haskell in Depth

Haskell in Depth

Vitaly Bragilevsky

Publisher Resources

ISBN: 9781786461353