e$B0J2<$N$h$&$K!“e(Bh1 == h2 e$B$G$J$$$N$Ke(B h2 == h1
e$B$H$$$&$3$H$K$J$ke(B
e$B$3$H$,$”$j$^$9!#e(B
% ./ruby -ve ’
h1 = {“a” => 0}
h2 = {“a” => 0}
h2.compare_by_identity
p h1 == h2
p h2 == h1
’
ruby 1.9.0 (2008-03-04 revision 15686) [i686-linux]
false
true