Example #9: Contains method for user struct stream

lesson7/lazy_streams/09_contains_user_structs.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"fmt"
+	"github.com/wesovilabs/koazee"
+)
+
+type User struct {
+	id      uint32
+	name    string
+	surname string
+}
+
+func main() {
+	var users = []User{
+		User{
+			id:      1,
+			name:    "Pepek",
+			surname: "Vyskoč"},
+		User{
+			id:      2,
+			name:    "Pepek",
+			surname: "Vyskoč"},
+		User{
+			id:      3,
+			name:    "Josef",
+			surname: "Vyskočil"},
+	}
+	fmt.Println(users)
+
+	stream := koazee.StreamOf(users)
+
+	p1, _ := stream.Contains(User{3, "Josef", "Vyskočil"})
+	fmt.Printf("contains? %v\n", p1)
+
+	p2, _ := stream.Contains(User{4, "Josef", "Vyskočil"})
+	fmt.Printf("contains? %v\n", p2)
+}