diff options
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -5277,10 +5277,11 @@ rb_int_s_isqrt(VALUE self, VALUE num) * 1.object_id == a.object_id #=> true * * There can only ever be one instance of the integer +1+, for example. Ruby ensures this - * by preventing instantiation and duplication. + * by preventing instantiation. If duplication is attempted, the same instance is returned. * - * Integer.new(1) #=> NoMethodError: undefined method `new' for Integer:Class - * 1.dup #=> TypeError: can't dup Integer + * Integer.new(1) #=> NoMethodError: undefined method `new' for Integer:Class + * 1.dup #=> 1 + * 1.object_id == 1.dup.object_id #=> true * * For this reason, Numeric should be used when defining other numeric classes. * |