mantoni/Sinon.JS — comment on commit fe73ee078d9ea26f113e2382c54c4f1d43c73335
File: lib/sinon/spy.js line 168
By cjohansen:

This is less efficient, but shorter. What do you think?

this.firstCall = this.getCall(0);
this.secondCall = this.getCall(1);
this.thirdCall = this.getCall(2);
this.lastCall = this.getCall(this.callCount - 1);