SYNOPSIS
mixed funcall(closure cl, mixed arg ...)
DESCRIPTION
Evaluates the closure. The extra args will be passed as args
to the closure. If cl is not a closure, it will simply be
returned.
HISTORY
Introduced in 3.2@70.
Returning a non-closure as it is even when args are given was
introduced with 3.2.1
SEE ALSO
apply(E), quote(E)