type iter.coro

6 uses

	iter (current package)
		iter.go#L229: type coro struct{}
		iter.go#L232: func newcoro(func(*coro)) *coro
		iter.go#L235: func coroswitch(*coro)
		iter.go#L269: 	c := newcoro(func(c *coro) {
		iter.go#L385: 	c := newcoro(func(c *coro) {