Ruby is a programming language created in 1995 by Yukihiro Matsumoto.
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Ruby is a dynamic, reflective, object-oriented, general-purpose programming language. It was designed and developed in the mid-1990s by Yukihiro "Matz" Matsumoto in Japan. According to its creator, Ruby was influenced by Perl, Smalltalk, Eiffel, Ada, and Lisp. Read more on Wikipedia...
# Type your code here, or load an example.
def square(num)
num * num
endputs "Hello, world!"
#!/usr/bin/env ruby
print "Hello World"
# Hello World in Ruby
puts "Hello World!"
module Foo
end
"Hello, World!".in_blue
=> "<span style=\"color: #00f\">Hello, World!</span>"_ENCODING_
| Feature | Supported | Token | Example |
|---|---|---|---|
| Conditionals | ✓ | ||
| Functions | ✓ | ||
| While Loops | ✓ | ||
| Case Sensitivity | ✓ | ||
| Range Operator | ✓ | (3...6) |
|
| Line Comments | ✓ | # | # A comment |
| Print() Debugging | ✓ | puts | puts "Hi" |
| Operator Overloading | ✓ | ||
| Multiline Strings | ✓ | ||
| Mixins | ✓ | module A def a1 end def a2 end end module B def b1 end def b2 end end class Sample include A include B def s1 end end samp = Sample.new samp.a1 samp.a2 samp.b1 |
|
| Iterators | ✓ | (0...42).each do |n| puts n end |
|
| File Imports | ✓ | load 'filename.rb' require 'filename' require 'trig.rb' |
|
| Directives | ✓ | coding: UTF-8 |
|
| Here Document | ✓ | ||
| Generators | ✓ | # Generator from an Enumerator object
chars = Enumerator.new(['A', 'B', 'C', 'Z'])
4.times { puts chars.next }
# Generator from a block
count = Enumerator.new do |yielder|
i = 0
loop { yielder.yield i += 1 }
end
100.times { puts count.next } |
|
| Garbage Collection | ✓ | ||
| MultiLine Comments | ✓ | =begin =end | =begin A comment. =end |
| Comments | ✓ | # This is a single line comment. |
|
| Classes | ✓ | # A tiny Person class in Ruby:
class Person
attr_accessor :name, :age, : # getter and setter methods
def initialize(name, age)
@name = name
@age = age
end
end
# Create a new Person object:
person = Person.new("John", 30)
puts person.name
puts person.age
# Change the age of the person:
person.age = 35
puts person.age |
|
| Constants | ✓ | # Constants in Ruby being with a capital letter. Will throw a warning or error, depending on runtime settings. Name = "John" # Not a constant name = "John" |
|
| Exceptions | ✓ | def hello
puts "Hello, World!"
# start an exception handler
begin
raise "This is an exception"
rescue => e
puts "Exception caught: #{e}"
end
end
hello |
|
| Assignment | ✓ | pldb = 80766866 |
|
| Booleans | ✓ | true false | |
| Integers | ✓ | pldb = 80766866 |
|
| Duck Typing | ✓ | ||
| Regular Expression Syntax Sugar | ✓ | puts "Hello World".match(/\w/) |
|
| Strings | ✓ | " | "hello world" |
| Case Insensitive Identifiers | X | ||
| Semantic Indentation | X | ||
| Async Await | X | ||
| Function Overloading | X | ||
| Dispose Blocks Pattern | X | ||
| Dependent types | X | ||
| Enums | X | ||
| Variable Substitution Syntax | X |
| title | authors | year | citations | influentialCitations |
|---|---|---|---|---|
| BioRuby: bioinformatics software for the Ruby programming language | Naohisa Goto and P. Prins and M. Nakao and R. Bonnal and J. Aerts and Toshiaki Katayama | 2010 | 186 | 10 |
| Programming ruby | Parasuram Anantharam | 2001 | 40 | 5 |
| FSelector: a Ruby gem for feature selection | Tiejun Cheng and Yanli Wang and S. Bryant | 2012 | 35 | 5 |
| A little language for surveys: constructing an internal DSL in Ruby | H. C. Cunningham | 2008 | 31 | 1 |
| Feature-oriented programming with Ruby | S. Günther and Sagar Sunkle | 2009 | 27 | 1 |
| The ruby intermediate language | Michael Furr and Jong-hoon An and J. Foster and M. Hicks | 2009 | 25 | 4 |
| FlowR: aspect oriented programming for information flow control in ruby | Thomas Pasquier and J. Bacon and B. Shand | 2014 | 17 | 1 |
| αRby - An Embedding of Alloy in Ruby | Aleksandar Milicevic and I. Efrati and D. Jackson | 2014 | 16 | 3 |
| A machine vision extension for the Ruby programming language | J. Wedekind and B. Amavasai and K. Dutton and M. Boissenin | 2008 | 7 | 0 |
| Language design and implementation using ruby and the interpreter pattern | Ariel Ortiz | 2008 | 4 | 0 |
| Specializing ropes for ruby | Kevin Menard and Chris Seaton and Benoit Daloze | 2018 | 2 | 0 |
| Let’s Get It Started: Installing Ruby | Pete Cooper | 2020 | 1 | 0 |
| A machine vision extension to the Ruby programming language using OpenCV and FFI | A. Marburg and M. Hayes and A. Bainbridge-Smith | 2013 | 1 | 0 |