-- -*- M2-comint -*- {* hash: -1899366068 *}

i1 : showStructure

o1 = Thing : BasicList : Command
                         Constant
                         DocumentTag
                         Eliminate
                         Expression : Adjacent
                                      AssociativeExpression : Equation
                                                              Product
                                                              Sum
                                      BinaryOperation
                                      Divide
                                      FunctionApplication
                                      Holder : OneExpression
                                               ZeroExpression
                                      MatrixExpression
                                      Minus
                                      NonAssociativeProduct
                                      Parenthesize
                                      Power
                                      RowExpression
                                      SparseMonomialVectorExpression
                                      SparseVectorExpression
                                      Subscript
                                      Superscript
                                      Table
                         FilePosition
                         ForestNode
                         Hybrid
                         IndeterminateNumber
                         IndexedVariable
                         InfiniteNumber
                         LowerBound
                         Manipulator
                         MutableList : Bag
                         Option
                         Partition
                         ProductOrder
                         PushforwardComputation
                         RingElement
                         SumOfTwists
                         Time
                         TreeNode
                         URL
                         Vector
                         VisibleList : Array
                                       List : VerticalList
                                       Sequence
             Boolean
             CompiledFunctionBody
             Database
             Dictionary : GlobalDictionary
                          LocalDictionary
             File
             Function : CompiledFunction
                        CompiledFunctionClosure : MethodFunction
                        FunctionClosure : CacheFunction
                                          MethodFunctionWithOptions
             FunctionBody
             HashTable : CoherentSheaf
                         Ideal : MonomialIdeal
                         ImmutableType : Module
                         ModuleMap : Matrix
                         MonoidElement
                         MutableHashTable : CacheTable
                                            Descent
                                            GradedModule : ChainComplex
                                            GradedModuleMap : ChainComplexMap
                                            GroebnerBasis
                                            IndexedVariableTable : SchurRingIndexedVariableTable
                                            Package
                                            Resolution
                                            ScriptedFunctor
                                            Type : HeaderType
                                                   Monoid : OrderedMonoid : GeneralOrderedMonoid
                                                   Ring : EngineRing : FractionField
                                                                       GaloisField
                                                                       InexactField : ComplexField
                                                                                      RealField
                                                                       PolynomialRing
                                                                       QuotientRing
                                                                       SchurRing
                                                   RingFamily : InexactFieldFamily
                                                   SelfInitializingType
                                                   WrapperType
                                            Variety : AffineVariety
                                                      ProjectiveVariety
                         MutableMatrix
                         OptionTable : GroebnerBasisOptions
                         ProjectiveHilbertPolynomial
                         RingMap
                         SheafOfRings
                         Tally : Set
                                 VirtualTally : BettiTally
             LibxmlAttribute
             LibxmlNode
             Net : String
             NetFile
             Nothing : InexactNumber
                                    *
             Number : InexactNumber : CC
                                      RR
                      QQ
                      ZZ
             Pseudocode
             Symbol : Keyword

o1 : Descent

i2 : showStructure(ZZ,QQ,RR,RR_200,QQ[x],Ring)

o2 = Thing : BasicList : RingElement : QQ[x]
             HashTable : MutableHashTable : Type : Ring
             Nothing : InexactNumber  : RR  : RR
                                    *     *     200
             Number : InexactNumber : RR
                      QQ
                      ZZ

o2 : Descent

i3 :