initial commit

pkg/array/find.go

@@ -0,0 +1,20 @@
+package array
+
+func Find[TIn any](arr []TIn, predicate func(val TIn) bool) *TIn {
+	for i := range arr {
+		if predicate(arr[i]) {
+			return &arr[i]
+		}
+	}
+	return nil
+}
+
+func Filter[TIn any](arr []TIn, predicate func(val *TIn) bool) []TIn {
+	var r []TIn
+	for i := range arr {
+		if predicate(&arr[i]) {
+			r = append(r, arr[i])
+		}
+	}
+	return r
+}