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Golang - convert slice such as []string to []interface{}
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module slice | |
func InterfaceSlice(slice interface{}) []interface{} { | |
switch slice := slice.(type) { | |
case []string: | |
new := make([]interface{}, len(slice)) | |
for i, v := range slice { | |
new[i] = v | |
} | |
return new | |
case []int: | |
new := make([]interface{}, len(slice)) | |
for i, v := range slice { | |
new[i] = v | |
} | |
return new | |
default: | |
sliceV := reflect.ValueOf(slice) | |
if sliceV.Kind() != reflect.Slice { | |
panic("InterfaceSlice() given a non-slice type") | |
} | |
// Keep the distinction between nil and empty slice input | |
if sliceV.IsNil() { | |
return nil | |
} | |
ret := make([]interface{}, sliceV.Len()) | |
for i := 0; i < sliceV.Len(); i++ { | |
ret[i] = sliceV.Index(i).Interface() | |
} | |
return ret | |
} | |
} |
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This can be done using 1.18 with generic: