July 2007
Beginner to intermediate
176 pages
2h 30m
English
Content preview from Ruby Pocket Reference
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,
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.
Operators
Table 2 lists all of Ruby’s operators in descending order of precedence. Operators that are implemented as methods may be overridden and are indicated in the Method column.
Table 2. Ruby’s operators
Operator | Description | Method |
|---|---|---|
| Scope resolution | |
| Reference, set | ✓ |
| Raise to power (exponentiation) | ✓ |
| Positive (unary), negative (unary), logical negation, complement | ✓ (not |
| Multiplication, division, modulo (remainder) | ✓ |
| Addition, subtraction | ✓ |
| Shift left, shift right | ✓ |
| Bitwise and | ✓ |
| Bitwise or, bitwise exclusive or | ✓ |
| Greater than, greater than or equal to, less than, less than or equal to | ✓ |
| Equality comparison (spaceship, equality, equality, not equal to, match, not match | ✓ (not |
| Logical and | |
| Logical or | |
| Range inclusive, range exclusive | ✓ (not |
| Ternary | |
| Assignment, abbreviated assignment | |
| Logical negation | |
| Logical composition | |
| Special operator (no precedence) |
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
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.Julian F.
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.