method

instance_of?

ruby latest stable - Class: Object

instance_of?(p1)

public

Returns true if obj is an instance of the given class. See also Object#kind_of?.

class A; end
class B < A; end
class C < B; end
b = B.new 
b.instance_of?  A #=> false
b.instance_of?  B #=> true
b.instance_of?  C #=> false

VALUE
rb_obj_is_instance_of(VALUE obj, VALUE c)
{
 c = class_or_module_required(c);
 if (rb_obj_class(obj) == c) return Qtrue;
 return Qfalse;
}