f::null_p (public)

 f::null_p xs

Defined in packages/acs-tcl/tcl/ad-functional-procs.tcl

Checks if xs is the empty list.

Parameters:

xs (required)

Returns:

boolean

Testcases:

functional_api

Source code:

    expr {[llength $xs]==0}

XQL Not present:

Generic, PostgreSQL, Oracle