golang_ReadJsonFromFile.go

import (
  "io/ioutil"
  "encoding/json"
)

struct Something {
  i int `json:"i"`
  s string `json:"name"`
}

func readFromFile(filename string) []byte {
	raw, err := ioutil.ReadFile(filename)
  if err != nil {
    // do something
  }
	return raw
}

func decode(bs []byte) Something {
	var s Something
	json.Unmarshal(bs, &s)
	return s
}