vendor/bundle/ruby/3.4.0/gems/ffi-1.17.2-arm64-darwin/samples/hello_ractor.rb


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require 'ffi'

module Foo
  extend FFI::Library
  ffi_lib FFI::Library::LIBC
  attach_function("cputs", "puts", [ :string ], :int)
  freeze
end
Ractor.new do
  Foo.cputs("Hello, World via libc puts using FFI in a Ractor")
end.take