From 1a51fa131cf5b3dd2d67f0ef14589382e272a744 Mon Sep 17 00:00:00 2001
From: Christine Dodrill <xena@yolo-swag.com>
Date: Tue, 23 Jun 2015 17:51:05 -0700
Subject: [PATCH] shapes of justice

---
 src/visitor/Tupfile |  3 +++
 src/visitor/main.go | 43 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 src/visitor/Tupfile
 create mode 100644 src/visitor/main.go

diff --git a/src/visitor/Tupfile b/src/visitor/Tupfile
new file mode 100644
index 0000000..4883b55
--- /dev/null
+++ b/src/visitor/Tupfile
@@ -0,0 +1,3 @@
+include_rules
+
+: main.go |> !gccgo |> ../../bin/visitor
diff --git a/src/visitor/main.go b/src/visitor/main.go
new file mode 100644
index 0000000..4b184ca
--- /dev/null
+++ b/src/visitor/main.go
@@ -0,0 +1,43 @@
+package main
+
+// Shape defines the base for shape functions
+type Shape interface {
+	Area() float64
+	Perimeter() float64
+}
+
+type Square struct {
+	Shape
+	Arm float64
+}
+
+func (s *Square) Area() float64 {
+	return s.Arm * s.Arm
+}
+
+func (s *Square) Perimeter() float64 {
+	return s.Arm * 4
+}
+
+type Triangle struct {
+	Shape
+	Base   float64
+	Height float64
+}
+
+func (t *Triangle) Area() float64 {
+	return (t.Base * t.Height) / 2
+}
+
+func (t *Triangle) Perimeter() float64 {
+	return 0.0 // I forgot how to do this from just base and height.
+}
+
+func main() {
+	t := &Triangle{
+		Base:   15,
+		Height: 30,
+	}
+
+	myT := t.(Shape)
+}