bound? builtin
	modified:   broom/builtin.go
indexing by application ([1 2 3] 1) => 2
	modified:   broom/ea.go
SelectCase constants.
interface{} type by kind.
	modified:   broom/packageproxy.go
[]interface{} array test.
	modified:   tests/reflect.brm
tried to impl select with macro (failed) :-(
	new file:   broom/chan.brm
	modified:   tests/chan.brm