target Matrix -- target of a map

target Matrix -- target of a map

Synopsis:

Function: target -- target of a map

Input:

an instance of class Matrix.

Code:

     -- ../m2/methods.m2:190-193
     target Thing := (h) -> (
          if h.?target then h.target
          else if (class h)#?(symbol target) then (class h)#?(symbol target)
          else error (toString h | " of class " | toString class h | " has no target"))