UpValues

UpValues[f] gives a list of transformation rules corresponding to all upvalues defined for the symbol f.

You can specify the upvalues for f by making an assignment of the form UpValues[f] = list.

The list returned by UpValues has elements of the form HoldPattern[lhs] :> rhs.

See Section 2.5.13.

See also: Set, DownValues, HoldAllComplete.

New in Version 2; modified in 3.

Further Examples