Add iteration package

iteration/repeat.go

@@ -0,0 +1,16 @@
+package iteration
+
+import "strings"
+
+func Repeat(character string, count int) string {
+	var repeated string
+
+	for i := 0; i < count; i++ {
+		repeated += character
+	}
+	return repeated
+}
+
+func StringsRepeat(s string, count int) string {
+	return strings.Repeat(s, count)
+}

iteration/repeat_test.go

@@ -0,0 +1,32 @@
+package iteration
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestRepeat(t *testing.T) {
+	repeated := Repeat("a", 5)
+	expected := "aaaaa"
+
+	if repeated != expected {
+		t.Errorf("expected %v, got %v", expected, repeated)
+	}
+}
+
+func BenchmarkRepeat(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		Repeat("a", 5)
+	}
+}
+func BenchmarkStringsRepeat(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		StringsRepeat("a", 5)
+	}
+}
+
+func ExampleRepeat() {
+	data := Repeat("a", 5)
+	fmt.Println(data)
+	// Outputs: aaaaa
+}