2.1.25. czekitout.check.if_pair_of_nonnegative_ints

if_pair_of_nonnegative_ints(obj, obj_name)

Check whether input object is a pair of nonnegative integers.

If the input object is not a pair of nonnegative integers, then an exception is raised with the message:

The object ``<obj_name>`` must be a pair of nonnegative integers.

where <obj_name> is replaced by the contents of the string obj_name. In the case that an exception is raised, said exception is of the type TypeError if the input object is not a pair of integers, otherwise said exception is of the type ValueError.

Parameters:

objany type

Input object.

obj_namestr

Name of the input object.