f::head (public)

 f::head xs

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

Parameters:
xs (required)
Returns:
first element of a list

Partial Call Graph (max 5 caller/called nodes):
%3 test_functional_api functional_api (test acs-tcl) f::head f::head test_functional_api->f::head f::bind2nd f::bind2nd (public) f::bind2nd->f::head f::fold1 f::fold1 (public) f::fold1->f::head f::qsort f::qsort (public) f::qsort->f::head f::scanl1 f::scanl1 (public) f::scanl1->f::head f::transpose f::transpose (public) f::transpose->f::head

Testcases:
functional_api
Source code:
    lindex $xs 0
XQL Not present:
Generic, PostgreSQL, Oracle
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