-- cleanup
-- name cleanup
rm #include <sto/functor.h>
functor.h: rm depricated by lambda functors
include-deps.graphviz
-- cleanup in u-*
lambda.h: rm deps on stl.h io.h;  basic_range.h: rm deps on lambda.h

fixed for clang (include order):

cl scc '(cout  <<  _1)(v9)'
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
-- doc: about
--
eval(Rg) function -- access all elem of range

scc 'vint v; auto l = (v <<  _1+10);  eval(vint{1,2,3} * l);  v'
{11, 12, 13}
--
nop folder  (equivalent to eval())

scc 'v9 | cout << _1 || nop;'
0123456789
--
--