[DOC] add links to `Object#hash`

add links to `Object#hash` to each #`hash` methods rdocs.
[Fixes GH-567]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45329 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/numeric.c b/numeric.c
index d0424c0275..0c84c49332 100644
--- a/numeric.c
+++ b/numeric.c
@@ -1107,6 +1107,8 @@ flo_eq(VALUE x, VALUE y)
  *   float.hash  ->  integer
  *
  * Returns a hash code for this float.
+ *
+ * See also Object#hash.
  */
 
 static VALUE