package main func init() { println("init") } func main() { println("main") println("v1:", v1) println("v2:", v2.x, v2.y) println("v3:", len(v3), cap(v3), v3[0], v3[3]) println("v4:", len(v4), v4 == nil) println("v5:", len(v5), v5 == nil) println("v6:", v6) println("v7:", cap(v7), string(v7)) println(uint8SliceSrc[0]) println(uint8SliceDst[0]) println(intSliceSrc[0]) println(intSliceDst[0]) } type ( t2 struct { x int y int } ) var ( v1 = 3 v2 = t2{2, 5} v3 = []int{2, 3, 5, 7} v4 map[string]int v5 = map[string]int{} v6 = float64(v1) < 2.6 v7 = []byte("foo") uint8SliceSrc = []uint8{3, 100} uint8SliceDst []uint8 intSliceSrc = []int16{5, 123, 1024} intSliceDst []int16 ) func init() { uint8SliceDst = make([]uint8, len(uint8SliceSrc)) copy(uint8SliceDst, uint8SliceSrc) intSliceDst = make([]int16, len(intSliceSrc)) copy(intSliceDst, intSliceSrc) }