From: Jean Privat <jean@pryen.org>
Date: Tue, 5 May 2015 18:23:57 +0000 (-0400)
Subject: lib/math: nitunit `Collection::rand`
X-Git-Tag: v0.7.5~76^2~2
X-Git-Url: http://nitlanguage.org

lib/math: nitunit `Collection::rand`

Signed-off-by: Jean Privat <jean@pryen.org>
---

diff --git a/lib/standard/math.nit b/lib/standard/math.nit
index 2b55dca..b6f7153 100644
--- a/lib/standard/math.nit
+++ b/lib/standard/math.nit
@@ -241,6 +241,11 @@ end
 redef class Collection[ E ]
 	# Return a random element form the collection
 	# There must be at least one element in the collection
+	#
+	# ~~~
+	# var x = [1,2,3].rand
+	# assert x == 1 or x == 2 or x == 3
+	# ~~~
 	fun rand: E
 	do
 		if is_empty then abort