class Github::PullRequests

def merged?(user_name, repo_name, request_id, params={})
  set :user => user_name, :repo => repo_name
  assert_presence_of user, repo, request_id
  normalize! params
  # _merge_mime_type(:pull_request, params)
  get_request("/repos/#{user}/#{repo}/pulls/#{request_id}/merge", params)
  true
rescue Github::Error::NotFound
  false
end