dim Module -- calculate the dimension

dim Module -- calculate the dimension

Synopsis:

Function: dim -- calculate the dimension

Input:

an instance of class Module.

Output:

an instance of class ZZ.

Code:

     -- ../../../Macaulay2/m2/modules2.m2:391-394
     dim Module := M -> (
          c := codim M;
          if c === infinity then -1 else dim ring M - c
          )