vendorify
diff --git a/go/vendor/github.com/asaskevich/govalidator/arrays.go b/go/vendor/github.com/asaskevich/govalidator/arrays.go
new file mode 100644
index 0000000..5bace26
--- /dev/null
+++ b/go/vendor/github.com/asaskevich/govalidator/arrays.go
@@ -0,0 +1,58 @@
+package govalidator
+
+// Iterator is the function that accepts element of slice/array and its index
+type Iterator func(interface{}, int)
+
+// ResultIterator is the function that accepts element of slice/array and its index and returns any result
+type ResultIterator func(interface{}, int) interface{}
+
+// ConditionIterator is the function that accepts element of slice/array and its index and returns boolean
+type ConditionIterator func(interface{}, int) bool
+
+// Each iterates over the slice and apply Iterator to every item
+func Each(array []interface{}, iterator Iterator) {
+ for index, data := range array {
+ iterator(data, index)
+ }
+}
+
+// Map iterates over the slice and apply ResultIterator to every item. Returns new slice as a result.
+func Map(array []interface{}, iterator ResultIterator) []interface{} {
+ var result = make([]interface{}, len(array))
+ for index, data := range array {
+ result[index] = iterator(data, index)
+ }
+ return result
+}
+
+// Find iterates over the slice and apply ConditionIterator to every item. Returns first item that meet ConditionIterator or nil otherwise.
+func Find(array []interface{}, iterator ConditionIterator) interface{} {
+ for index, data := range array {
+ if iterator(data, index) {
+ return data
+ }
+ }
+ return nil
+}
+
+// Filter iterates over the slice and apply ConditionIterator to every item. Returns new slice.
+func Filter(array []interface{}, iterator ConditionIterator) []interface{} {
+ var result = make([]interface{}, 0)
+ for index, data := range array {
+ if iterator(data, index) {
+ result = append(result, data)
+ }
+ }
+ return result
+}
+
+// Count iterates over the slice and apply ConditionIterator to every item. Returns count of items that meets ConditionIterator.
+func Count(array []interface{}, iterator ConditionIterator) int {
+ count := 0
+ for index, data := range array {
+ if iterator(data, index) {
+ count = count + 1
+ }
+ }
+ return count
+}