Go の json.Marshal の思いがけない仕様 - Qiita

package main import ( "encoding/json" "fmt" ) type S struct { U8Array [3]uint8 U8Slice []uint8 S8Array [3]int8 S8Slice []int8 U8SliceP *[]uint8 PU8Slice []*uint8 IFSlice []interface{} } func main() { a:=uint8(1) b:=uint8(2) c:=uint8(3) o := S{ U8Array: [3]uint8{1, 2, 3}, U8Slice: []uint8{1, 2, 3}, S8Array: [3]int8{1, 2, 3}, S8Slice: []int8{1, 2, 3}, U8SliceP: &[]uint8{1, 2, 3}, PU8Slice: []*uint8{