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# Threadsafe
[](https://travis-ci.org/headius/thread_safe)
A collection of thread-safe versions of common core Ruby classes.
## Installation
Add this line to your application's Gemfile:
gem 'thread_safe'
And then execute:
$ bundle
Or install it yourself as:
$ gem install thread_safe
## Usage
```ruby
require 'thread_safe'
sa = ThreadSafe::Array.new # supports standard Array.new forms
sh = ThreadSafe::Hash.new # supports standard Hash.new forms
```
`ThreadSafe::Cache` also exists, as a hash-like object, and should have
much better performance characteristics esp. under high concurrency than
`ThreadSafe::Hash`. However, `ThreadSafe::Cache` is not strictly semantically
equivalent to a ruby `Hash` -- for instance, it does not necessarily retain
ordering by insertion time as `Hash` does. For most uses it should do fine
though, and we recommend you consider `ThreadSafe::Cache` instead of
`ThreadSafe::Hash` for your concurrency-safe hash needs. It understands some
options when created (depending on your ruby platform) that control some of the
internals - when unsure just leave them out:
```ruby
require 'thread_safe'
cache = ThreadSafe::Cache.new
```
## Contributing
1. Fork it
2. Clone it (`git clone git@github.com:you/thread_safe.git`)
3. Create your feature branch (`git checkout -b my-new-feature`)
4. Build the jar (`rake jar`) NOTE: Requires JRuby
5. Install dependencies (`bundle install`)
6. Commit your changes (`git commit -am 'Added some feature'`)
7. Push to the branch (`git push origin my-new-feature`)
8. Create new Pull Request
Version data entries
11 entries across 11 versions & 3 rubygems