AnonymousFox

//opt/alt/ruby34/share/rubygems/rubygems/resolver/composed_set.rb

# frozen_string_literal: true

##
# A ComposedSet allows multiple sets to be queried like a single set.
#
# To create a composed set with any number of sets use:
#
#   Gem::Resolver.compose_sets set1, set2
#
# This method will eliminate nesting of composed sets.

class Gem::Resolver::ComposedSet < Gem::Resolver::Set
  attr_reader :sets # :nodoc:

##
  # Creates a new ComposedSet containing +sets+.  Use
  # Gem::Resolver::compose_sets instead.

def initialize(*sets)
    super()

@sets = sets
  end

##
  # When +allow_prerelease+ is set to +true+ prereleases gems are allowed to
  # match dependencies.

def prerelease=(allow_prerelease)
    super

sets.each do |set|
      set.prerelease = allow_prerelease
    end
  end

##
  # Sets the remote network access for all composed sets.

def remote=(remote)
    super

@sets.each {|set| set.remote = remote }
  end

def errors
    @errors + @sets.flat_map(&:errors)
  end

##
  # Finds all specs matching +req+ in all sets.

def find_all(req)
    @sets.flat_map do |s|
      s.find_all req
    end
  end

##
  # Prefetches +reqs+ in all sets.

def prefetch(reqs)
    @sets.each {|s| s.prefetch(reqs) }
  end
end