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##
# Used internally to hold the requirements being considered
# while attempting to find a proper activation set.
class Gem::Resolver::RequirementList
include Enumerable
def initialize
@list = []
end
def initialize_copy(other)
@list = @list.dup
end
def add(req)
@list.push req
req
end
##
# Enumerates requirements in the list
def each # :nodoc:
return enum_for __method__ unless block_given?
@list.each do |requirement|
yield requirement
end
end
def empty?
@list.empty?
end
def remove
@list.shift
end
def next5
@list[0,5]
end
end
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