func runtime.send

3 uses

	runtime (current package)
		chan.go#L232: 		send(c, sg, ep, func() { unlock(&c.lock) }, 3)
		chan.go#L318: func send(c *hchan, sg *sudog, ep unsafe.Pointer, unlockf func(), skip int) {
		select.go#L527: 	send(c, sg, cas.elem, func() { selunlock(scases, lockorder) }, 2)