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I work with Ruby mainly.

Recently I work with the type system for Ruby. I'm a maintainer of RBS. I'm responsible for rbs prototype command.
I'm developping RBS Rails to integrate RBS and Rails.

I am also a member of the RuboCop core team (but recently only a few activities). I'm the author of rubocop-rake, rubocop-extension-generator, and gems.

I also work for OSS Ruby libraries hosted on GitHub. I've sent 800+ pull requests to OSS projects written in Ruby. Bug fixing, suppress warnings, new features, and so on.
If you develop a Ruby application, I guess it includes my code.

Current sponsors 12

@ledsun
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@hanachin
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@unasuke
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Past sponsors 11
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@mintuhouse
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Featured work

  1. ruby/rbs

    Type Signature for Ruby

    Ruby 1,952

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