nil.awk File Reference

Namespaces
namespace	type

Functions
number	type::isUnassigned (any x)
	Check if variable is of type unassigned
number	type::isNil (any x)
	Check if variable is of type unassigned. Alias for type::isUnassigned
number	type::isUntyped (any x)
	Check if variable is of type untyped
number	type::isNily (any x)
	Check if variable is of type unassigned or untyped
number	type::isEmpty (any x)
	Check if variable is of type unassigned or untyped or string of length 0.
number	type::isNull (any x)
	Check if variable is the null string i.e. of type string and of length 0.
number	type::isZero (any x)
	Check if variable is of type number and of value 0.

Variables
unassigned	type::nil
	Unassigned variable.