is " has no compiler-defined `deep_twin' or `is_deep_equal' because the corresponding allocated size is not part of the NATIVE_ARRAY object. The client class of this NATIVE_ARRAY type is supposed to use a `capacity' attribute which contains the corresponding number of allocated items (see STRING or ARRAY for example)."
constant attribute
{}
local foo, bar : ZOO --------------Example 2 :bip(foo, bar : ZOO) --------------See Eiffel3 grammar for more details.