Holy Jeeez that's scary! I've done similar, commited to a left-hand turn before a sharpish bend in the road without adequately reconnoitering the traffic hidden from immediate view. I could feel the draft of the car as it barely avoided my rear wheel (and wonder of wonders, the motorist was able to brake and steer with nary a squeal or shouted epithet). I have to admit that one was all me. Much as we cluck in dismay over the foibles of others, none of us are immune.