indexing description: "Finite structures whose item count cannot be changed" names: fixed, storage size: fixed deferred class interface FIXED [G] feature -- Access has (v: G): BOOLEAN -- Does structure include v? -- (Reference or object equality, -- based on object_comparison.) -- (from CONTAINER) ensure -- from CONTAINER not_found_in_empty: Result implies not empty feature -- Measurement capacity: INTEGER -- Number of items that may be stored -- (from BOUNDED) count: INTEGER -- Number of items -- (from FINITE) feature -- Status report changeable_comparison_criterion: BOOLEAN -- May object_comparison be changed? -- (Answer: yes by default.) -- (from CONTAINER) empty: BOOLEAN -- Is structure empty? -- (from FINITE) full: BOOLEAN -- Is structure full? -- (from BOUNDED) object_comparison: BOOLEAN -- Must search operations use equal rather than = -- for comparing references? (Default: no, use =.) -- (from CONTAINER) Resizable: BOOLEAN is false -- May capacity be changed? (Answer: no.) feature -- Status setting compare_objects -- Ensure that future search operations will use equal -- rather than = for comparing references. -- (from CONTAINER) require -- from CONTAINER changeable_comparison_criterion ensure -- from CONTAINER object_comparison compare_references -- Ensure that future search operations will use = -- rather than equal for comparing references. -- (from CONTAINER) require -- from CONTAINER changeable_comparison_criterion ensure -- from CONTAINER reference_comparison: not object_comparison feature -- Conversion linear_representation: LINEAR [G] -- Representation as a linear structure -- (from CONTAINER) invariant -- from GENERAL reflexive_equality: standard_is_equal (Current); reflexive_conformance: conforms_to (Current); not_resizable: not resizable; -- from BOUNDED valid_count: count <= capacity; full_definition: full = (count = capacity); -- from FINITE empty_definition: empty = (count = 0); non_negative_count: count >= 0; end -- class FIXED