dim Ring -- calculate the dimension

dim Ring -- calculate the dimension

Synopsis:

Function: dim -- calculate the dimension

Input:

an instance of class Ring.

Output:

an instance of class ZZ.

Code:

     -- ../../../Macaulay2/m2/rings.m2:12-15
     dim Ring := R -> (
          if R.?dim then R.dim
          else if isField R then 0
          else error("dimension of ring ", toString R, " unknown"))