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

Partial Call Graph (max 5 caller/called nodes):
%3 test_functional_api functional_api (test acs-tcl) f::null_p f::null_p test_functional_api->f::null_p f::fold1 f::fold1 (public) f::fold1->f::null_p f::scanl1 f::scanl1 (public) f::scanl1->f::null_p f::transpose f::transpose (public) f::transpose->f::null_p

Testcases:
functional_api
Source code:
    expr {[llength $xs]==0}
XQL Not present:
Generic, PostgreSQL, Oracle
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