module T

def self.absurd(value)

possible cases.
happens. Commonly used to assert that a case or if statement exhausts all
A way to ask Sorbet to prove that a certain branch of control flow never 
def self.absurd(value)
  msg = "Control flow reached T.absurd."
  case value
  when Kernel
    msg += " Got value: #{value}"
  end
  begin
    raise TypeError.new(msg)
  rescue TypeError => e # raise into rescue to ensure e.backtrace is populated
    T::Configuration.inline_type_error_handler(e, {kind: 'T.absurd', value: value, type: nil})
  end
end