A StringIO duck-typed class that uses Tempfile instead of String as the backing store.
This is available when rubygems/test_utilities is required.
# File lib/rubygems/test_utilities.rb, line 171 def initialize(string = '') super "TempIO" binmode write string rewind end
# File lib/rubygems/test_utilities.rb, line 178 def string flush Gem.read_binary path end