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conv.go
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conv.go
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package conv
import (
"fmt"
"strconv"
)
// MustInterfaceToString interface{} -->> string
func MustInterfaceToString(vi interface{}) string {
switch vi.(type) {
case string:
return vi.(string)
case []byte:
return string(vi.([]byte))
default:
return fmt.Sprint(vi)
}
}
// MustInterfaceToBool interface{} -->> bool
func MustInterfaceToBool(vi interface{}) bool {
if MustInterfaceToInt64(vi) != 0 {
return true
}
switch vi.(type) {
case bool:
return vi.(bool)
case string:
v := vi.(string)
return v == "true" || v == "TRUE" || v == "True"
}
return false
}
// MustInterfaceToInt64 interface{} -->> int64
func MustInterfaceToInt64(vi interface{}) int64 {
switch vi.(type) {
case int64:
return vi.(int64)
case int32:
return int64(vi.(int32))
case uint64:
return int64(vi.(uint64))
case uint32:
return int64(vi.(uint32))
case int:
return int64(vi.(int))
case float32:
return int64(vi.(float32))
case float64:
return int64(vi.(float64))
case string:
v, err := strconv.Atoi(vi.(string))
if err == nil {
return int64(v)
}
}
return 0
}
// MustInterfaceToFloat64 interface{} -->> float64
func MustInterfaceToFloat64(vi interface{}) float64 {
switch vi.(type) {
case int64:
return float64(vi.(int64))
case int32:
return float64(vi.(int32))
case uint64:
return float64(vi.(uint64))
case uint32:
return float64(vi.(uint32))
case int:
return float64(vi.(int))
case float32:
return float64(vi.(float32))
case float64:
return float64(vi.(float64))
case string:
v, err := strconv.Atoi(vi.(string))
if err == nil {
return float64(v)
}
}
return 0
}
// MustInterfaceSliceToInt64Slice []interface{} -->> []int64
func MustInterfaceSliceToInt64Slice(vsi []interface{}) []int64 {
if vsi == nil {
return nil
}
res := make([]int64, len(vsi))
for i, vi := range vsi {
res[i] = MustInterfaceToInt64(vi)
}
return res
}
// MustInterfaceSliceToStringSlice []interface{} -->> []string
func MustInterfaceSliceToStringSlice(vsi []interface{}) []string {
if vsi == nil {
return nil
}
res := make([]string, len(vsi))
for i, vi := range vsi {
res[i] = MustInterfaceToString(vi)
}
return res
}
// MustInterfaceToInt64Slice interface{} -->> []int64
func MustInterfaceToInt64Slice(vi interface{}) []int64 {
switch vi.(type) {
case []interface{}:
return MustInterfaceSliceToInt64Slice(vi.([]interface{}))
case []int64:
return vi.([]int64)
case []int32:
slice := vi.([]int32)
res := make([]int64, len(slice))
for i, v := range slice {
res[i] = int64(v)
}
return res
case []uint64:
slice := vi.([]uint64)
res := make([]int64, len(slice))
for i, v := range slice {
res[i] = int64(v)
}
return res
case []uint32:
slice := vi.([]uint32)
res := make([]int64, len(slice))
for i, v := range slice {
res[i] = int64(v)
}
return res
case []int:
slice := vi.([]int)
res := make([]int64, len(slice))
for i, v := range slice {
res[i] = int64(v)
}
return res
case []float32:
slice := vi.([]float32)
res := make([]int64, len(slice))
for i, v := range slice {
res[i] = int64(v)
}
return res
case []float64:
slice := vi.([]float64)
res := make([]int64, len(slice))
for i, v := range slice {
res[i] = int64(v)
}
return res
case []string:
slice := vi.([]string)
res := make([]int64, len(slice))
for i, v := range slice {
res[i] = MustInterfaceToInt64(v)
}
return res
}
return nil
}
// MustInterfaceToStringSlice interface{} -->> []string
func MustInterfaceToStringSlice(vi interface{}) []string {
switch vi.(type) {
case []interface{}:
return MustInterfaceSliceToStringSlice(vi.([]interface{}))
case []int64:
slice := vi.([]int64)
res := make([]string, len(slice))
for i, v := range slice {
res[i] = MustInterfaceToString(v)
}
return res
case []int32:
slice := vi.([]int32)
res := make([]string, len(slice))
for i, v := range slice {
res[i] = MustInterfaceToString(v)
}
return res
case []uint64:
slice := vi.([]uint64)
res := make([]string, len(slice))
for i, v := range slice {
res[i] = MustInterfaceToString(v)
}
return res
case []uint32:
slice := vi.([]uint32)
res := make([]string, len(slice))
for i, v := range slice {
res[i] = MustInterfaceToString(v)
}
return res
case []int:
slice := vi.([]int)
res := make([]string, len(slice))
for i, v := range slice {
res[i] = MustInterfaceToString(v)
}
return res
case []float32:
slice := vi.([]float32)
res := make([]string, len(slice))
for i, v := range slice {
res[i] = MustInterfaceToString(v)
}
return res
case []float64:
slice := vi.([]float64)
res := make([]string, len(slice))
for i, v := range slice {
res[i] = MustInterfaceToString(v)
}
return res
case []string:
return vi.([]string)
}
return nil
}