From 10d7bbfdf2b610ab9971f3fac7ff72e95ecd47cb Mon Sep 17 00:00:00 2001
From: "JaringanKantor.com" <nc.anwar@jaringankantor.com>
Date: Fri, 15 Oct 2021 23:03:33 +0700
Subject: [PATCH] interface update

---
 biodata.go    | 14 ++++++++++++++
 kalkulator.go | 17 +++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/biodata.go b/biodata.go
index 993a056..6673d89 100644
--- a/biodata.go
+++ b/biodata.go
@@ -33,3 +33,17 @@ func TampilData() {
 func (pegawai Pegawai) SelamatDatang(nama string) {
 	fmt.Println("Selamat datang", nama, "giat bekerja ya pak", pegawai.Nama)
 }
+
+func AnonymousDataOrtu() {
+	OrangTua := struct {
+		Usia     int8
+		NamaOrtu string
+		Hidup    bool
+	}{
+		Usia:     63,
+		NamaOrtu: "Syahroni",
+		Hidup:    true,
+	}
+
+	fmt.Println(OrangTua)
+}
diff --git a/kalkulator.go b/kalkulator.go
index 5a4403b..94fe2e6 100644
--- a/kalkulator.go
+++ b/kalkulator.go
@@ -2,6 +2,23 @@ package module
 
 import "fmt"
 
+type PersegiInterface interface {
+	Keliling() int
+	Luas() int
+}
+
+type InputPersegi struct {
+	a, b int
+}
+
+func (in InputPersegi) Keliling() int {
+	return (in.a + in.b) * 2
+}
+
+func (in InputPersegi) Luas() int {
+	return in.a * in.b
+}
+
 func About() {
 	fmt.Println("Ini adalah fungsi kalkulator")
 }