README
¶
util
some auxiliry utils on IMEI generator/validator, time parse/format, collection operation.
IMEI
Generate
func Generate() string
Generate returns random IMEI
Validate
func Validate(imei string) bool
Validate check if imei is valid.
Slice
Contains
func Contains(list interface{}, e interface{}) bool
Contains check if list contains an element.
// EXAMPLE
var list = []int{1, 1, 2, 3}
var e int = 1
ok := Contains(list, e)
fmt.Println(ok) // true
FieldSlice
func FieldSlice(list interface{}, field string) (reflect.Value, bool)
FieldSlice returns a slice extracted by specifed field from slice.
[1, 2, 2, 4, 6] & [2, 4, 5] >> [1, 5, 6]
[1, 1, 3, 4, 5, 6] >> [1, 3, 4, 5, 6]
// EXAMPLE
type user struct{
Name string
Age uint32
}
var users = []*user{&user{Name:"hello", Age:31}}
z, ok := FieldSlice(users, "Name")
if !ok {
fmt.Println("Cannot find field")
}
slice, ok := z.Interface().([]string)
if !ok {
fmt.Println("Cannot convert to slice")
}
fmt.Println(slice, reflect.TypeOf(slice)) // ["hello"] []string
Difference
func Difference(arrs ...interface{}) (reflect.Value, bool)
Difference returns a slice of values that are only present in one of the input slices
[1, 2, 2, 4, 6] & [2, 4, 5] >> [1, 5, 6]
[1, 1, 3, 4, 5, 6] >> [1, 3, 4, 5, 6]
// EXAMPLE
var a = []int{1, 1, 2, 3}
var b = []int{2, 4}
z, ok := Difference(a, b)
if !ok {
fmt.Println("Cannot find difference")
}
slice, ok := z.Interface().([]int)
if !ok {
fmt.Println("Cannot convert to slice")
}
fmt.Println(slice, reflect.TypeOf(slice)) // [1, 3, 4] []int
Distinct
func Distinct(arr interface{}) (reflect.Value, bool)
Distinct returns the unique vals of a slice
[1, 1, 2, 3] >> [1, 2, 3]
// EXAMPLE
var a = []int{1, 1, 2, 3}
z, ok := Distinct(a)
if !ok {
fmt.Println("Cannot find distinct")
}
slice, ok := z.Interface().([]int)
if !ok {
fmt.Println("Cannot convert to slice")
}
fmt.Println(slice, reflect.TypeOf(slice)) // [1, 2, 3] []int
Intersect
func Intersect(arrs ...interface{}) (reflect.Value, bool)
Intersect returns a slice of values that are present in all of the input slices
[1, 1, 3, 4, 5, 6] & [2, 3, 6] >> [3, 6]
[1, 1, 3, 4, 5, 6] >> [1, 3, 4, 5, 6]
// EXAMPLE
var a = []int{1, 1, 2, 3}
var b = []int{2, 4}
z, ok := Intersect(a, b)
if !ok {
fmt.Println("Cannot find intersect")
}
slice, ok := z.Interface().([]int)
if !ok {
fmt.Println("Cannot convert to slice")
}
fmt.Println(slice, reflect.TypeOf(slice)) // [2] []int
Union
func Union(arrs ...interface{}) (reflect.Value, bool)
Union returns a slice that contains the unique values of all the input slices
[1, 2, 2, 4, 6] & [2, 4, 5] >> [1, 2, 4, 5, 6]
[1, 1, 3, 4, 5, 6] >> [1, 3, 4, 5, 6]
// EXAMPLE
var a = []int{1, 1, 2, 3}
var b = []int{2, 4}
z, ok := Union(a, b)
if !ok {
fmt.Println("Cannot find union")
}
slice, ok := z.Interface().([]int)
if !ok {
fmt.Println("Cannot convert to slice")
}
fmt.Println(slice, reflect.TypeOf(slice)) // [1, 2, 3, 4] []int
Time
ParseTime
func ParseTime(ts interface{}) time.Time
ParseTime parse different time type.
FormatTime
func FormatTime(ts interface{}) string
FormatTime format string to 2006-01-02 15:04:05 format
crypto
AESBase64Encrypt
func AESBase64Encrypt(clear, key, iv string) (encryoted string, err error)
AESBase64Encrypt encrypt clear data with key and iv.
AESBase64Decrypt
func AESBase64Decrypt(encrypted, key, iv string) (clear string, err error)
AESBase64Decrypt decrypt encrypted data with key and iv.
License
MIT
Directories