template::util::is_nil (public)
template::util::is_nil ref
Defined in packages/acs-templating/tcl/util-procs.tcl
Determines whether a variable both exists and is not an empty string.
- Parameters:
- ref (required)
- The name of a variable to test in the calling frame.
- Returns:
- 1 if the variable either not exist or is an empty string. 0 if the variable is either an array reference or a nonempty scalar.
- Partial Call Graph (max 5 caller/called nodes):
- Testcases:
- util_is_nil