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# File 'lib/esse/index/type.rb', line 12
def repo(name = nil)
if name.nil? && repo_hash.size == 1
name = repo_hash.keys.first
elsif name.nil? && repo_hash.size > 1
raise ArgumentError, "You can only call `repo' with a name when there is only one type defined."
end
name ||= DEFAULT_REPO_NAME
repo_hash.fetch(name.to_s)
rescue KeyError
raise ArgumentError, " No repo named \"\#{name}\" found. Use the `repository' method to define one:\n\n repository :\#{name} do\n # collection ...\n # document ...\n end\n MSG\nend\n"
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