github.com/lheiskan/zebrapack@v4.1.1-0.20181107023619-e955d028f9bf+incompatible/slides (about) HighlightsFromTheStateofGo.pdf depra1 depra2 highlights2017go1.8.pdf readperf state-of-go.slide state-of-go structdef transform writeperf zebrapack.slide zebrapack_slides_2017feb16.pdf