From cf4133638b5ff8915bceb1730391cb38e4b628b9 Mon Sep 17 00:00:00 2001
From: Martin Schmollinger <martin.schmollinger@reutlingen-university.de>
Date: Fri, 7 Apr 2023 18:41:30 +0200
Subject: [PATCH] Solution to exercise of unit 03-05
---
exercise_0305/go.mod | 3 +++
exercise_0305/main.go | 44 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 47 insertions(+)
create mode 100644 exercise_0305/go.mod
create mode 100644 exercise_0305/main.go
diff --git a/exercise_0305/go.mod b/exercise_0305/go.mod
new file mode 100644
index 0000000..aa6483b
--- /dev/null
+++ b/exercise_0305/go.mod
@@ -0,0 +1,3 @@
+module gitlab.reutlingen-university.de/go-exercises/go-starter/exercise_0305
+
+go 1.20
diff --git a/exercise_0305/main.go b/exercise_0305/main.go
new file mode 100644
index 0000000..c15c0c9
--- /dev/null
+++ b/exercise_0305/main.go
@@ -0,0 +1,44 @@
+package main
+
+import "fmt"
+
+type PhoneBook struct {
+ entries map[int]string
+}
+
+func (pb *PhoneBook) AddNumbers(person string, numbers ...int) {
+ for _, number := range numbers {
+ pb.entries[number] = person
+ }
+}
+
+func CreateEmptyPhoneBook() PhoneBook {
+ emptyPB := PhoneBook{
+ entries: make(map[int]string),
+ }
+ return emptyPB
+}
+
+func (pb *PhoneBook) PrintPhoneBook() {
+ for number, person := range pb.entries {
+ fmt.Printf("%s: %d\n", person, number)
+ }
+}
+
+func main() {
+
+ pb := PhoneBook{
+ entries: map[int]string{
+ 4711: "Marcus",
+ 4712: "Martin",
+ },
+ }
+
+ pb.AddNumbers("Dominik", 4713, 4714)
+ pb.PrintPhoneBook()
+
+ pb2 := CreateEmptyPhoneBook()
+ pb2.AddNumbers("Karlo", 1, 2, 3, 4, 5)
+ pb2.PrintPhoneBook()
+
+}
--
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