May 2018
Beginner to intermediate
290 pages
6h 43m
English
Content preview from Getting Clojure
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O’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.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.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.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.
A Rich Toolkit …
If all we were talking about was first and rest, this whole sequence kerfuffle wouldn’t amount to much. The real power of sequences lies in the mountain of useful library functions that—like our my-count function—take any kind of collection, convert it to a sequence, and then do something interesting with the sequence. For example, if you have a seqable collection but it’s in the wrong order, you can sort it with sort:
| | (def titles ["Jaws" "Emma" "2001" "Dracula"]) |
| | |
| | (sort titles) ; Sequence: ("2001" "Dracula" "Emma" "Jaws") |
Like count, sort converts the collection you pass in into a sequence, sorts it, and returns the resulting sequence.
Seqa What? | |
|---|---|
|
Yes, seqable is a word, at least if you are a Clojurist. A seqable ... | |
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