Who - finding out "who is who" in Atlas package

allows one to find out "who is who".
  • l -an identifier, list or set of identifies.
  • In the Atlas package any identifier is treated as 0-form i.e. as non-constan scalar (if it not declared as constant, p-form, tensor etc. (see Types).
  • Who[] - returns information about all declarations made;
  • Who[l] where l is an identifier - returns information about object l;
  • Who[l] where l is a list or set of identifiers - returns information about all objects in l;