Use print() on a listof object

USAGE:

print.listof(x, ...) 

REQUIRED ARGUMENTS:

x
an object of class listof.

OPTIONAL ARGUMENTS:

show.names
logical flag; if TRUE, component names are printed immediately before each component.
...
additional arguments passed to print.

DETAILS:

This is a method for the function print() for objects inheriting from class listof. See print or print.default for the general behavior of this function and for the interpretation of x.