class Steep::Project::CompletionProvider

def index_for(string, line:, column:)

def index_for(string, line:, column:)
  index = 0
  string.each_line.with_index do |s, i|
    if i+1 == line
      index += column
      break
    else
      index += s.size
    end
  end
  index
end