doc: added comment for standard::math::Int::rand

Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/standard/math.nit b/lib/standard/math.nit
index 5d73c8e..d122c2e 100644 (file)
--- a/lib/standard/math.nit
+++ b/lib/standard/math.nit
@@ -21,6 +21,7 @@ in "C header" `{
 `}
 
 redef class Int
+       # Returns a random `Int` in `[0 .. self[`.
        fun rand: Int is extern "kernel_Int_Int_rand_0"
        fun bin_and(i: Int): Int is extern "kernel_Int_Int_binand_0"
        fun bin_or(i: Int): Int is extern "kernel_Int_Int_binor_0"