From db323908acc1b2730a3085a57a5d33389350e15f Mon Sep 17 00:00:00 2001
From: Howl <the@howl.moe>
Date: Sat, 28 May 2016 17:30:18 +0200
Subject: [PATCH] Add in.go

---
 common/in.go | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 common/in.go

diff --git a/common/in.go b/common/in.go
new file mode 100644
index 0000000..1ff46a7
--- /dev/null
+++ b/common/in.go
@@ -0,0 +1,13 @@
+package common
+
+// In picks x if y < x, picks z if y > z, or if none of the previous
+// conditions is satisfies, it simply picks y.
+func In(x, y, z int) {
+	switch {
+	case y < x:
+		return x
+	case y > z:
+		return z
+	}
+	return y
+}