f::id (public)

 f::id x

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

Identity function: just returns its argument. I'm not kidding! An identity function can be useful sometimes, e.g. as a default initializer for optional arguments of functional kind.

Parameters:

x (required)

Testcases:

functional_api

Source code:

    return $x

XQL Not present:

Generic, PostgreSQL, Oracle