SilentUI
is a UI choice that is absolutely silent.
The SilentUI
has no arguments as it does not use any stream.
# File ruby-3.1.2/lib/rubygems/user_interaction.rb, line 618 def initialize reader, writer = nil, nil reader = File.open(IO::NULL, 'r') writer = File.open(IO::NULL, 'w') super reader, writer, writer, false end