This method is only available on newer versions.
The first available version (v2_6_3) is shown here.
lookup()
private
No documentation available.
# File lib/bundler/spec_set.rb, line 157
def lookup
@lookup ||= begin
lookup = Hash.new {|h, k| h[k] = [] }
Index.sort_specs(@specs).reverse_each do |s|
lookup[s.name] << s
end
lookup
end
end