March 2019
Intermediate to advanced
208 pages
5h 11m
English
Content preview from Web Development with ReasonML
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Manipulating Lists with Belt.List
The Belt.List module defines a large number of functions for processing lists. (Just a note: the Belt.List definitions and examples[22] are written in OCaml format.) We’ll use the following list for many of the examples:
| | let items = [10, 11, 12, 13, 14, 15, 16]; |
For example, the length function returns the number of elements in the list, so length(items) returns 7. You can use size as a synonym for length.
This section is going to be somewhat of a laundry list of utility functions because it’s difficult to find a specific example that uses all of them. (It’s not an exhaustive list. See the documentation for that.) To make it easier to read, I’ll avoid prefacing each function ...
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I 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.
I’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.
I'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.