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Some members of the ruby community feel that you should avoid package managers to install ruby and that you should use dedicated tools instead. Below is an overview of the libraries and extensions, followed by a brief description of each. Ruby documentation welcome to the official ruby programming language documentation

Getting started new to ruby The ruby standard library is a large collection of classes and modules you can require in your code to gain additional features Start with our getting started guide

Core classes and modules explore the essential classes and modules

Ruby code can raise exceptions Most often, a raised exception is meant to alert the running program that an unusual (i.e., exceptional) situation has arisen, and may need to be handled. Operators in ruby, operators such as +, are defined as methods on the class Literals define their methods within the lower level, c language

Ruby objects can define or overload their own implementation for most operators Class foo < string def + (str) self Ruby is copyrighted free software by yukihiro matsumoto <matz@netlab.jp> You may make and give away verbatim copies of the source form of the software without restriction, provided that you duplicate all of the

Miniruby is a version of ruby which has no external dependencies and lacks certain features

It can be useful in ruby development because it allows for faster build times. Each of these methods takes optional argument format, which has zero or more embedded format specifications (see below). Syck was the original yaml implementation in ruby’s standard library developed by why the lucky stiff You can still use syck, if you prefer, for parsing and emitting yaml, but you must install the ‘syck’ gem now in order to use it.

'ruby'} person # => {name Ruby} you can use a hash to give names to method arguments Def some_method (hash) p hash end some_method ({foo When the last argument in a method call is a hash, the curly braces may be omitted:

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