End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

class method

Gem.needs

needs() { |rs| ... }

# File tmp/rubies/ruby-3.1.3/lib/rubygems.rb, line 218
def self.needs
  rs = Gem::RequestSet.new

  yield rs

  finish_resolve rs
end

No documentation available

See also .marshal_version .open_file .location_of_caller .operating_system_defaults also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0