BasicObject#!=

obj != other → true or false

VALUE
rb_obj_not_equal(VALUE obj1, VALUE obj2)
{
    VALUE result = rb_funcall(obj1, id_eq, 1, obj2);
    return rb_obj_not(result);
}

Returns true if two objects are not-equal, otherwise false.

See also #! #== .new #equal? also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0