Advanced Material. The following slides contain advanced material and are optional. Outline. CAT calls Generic conformance For more information, see http:// dev.eiffel.com/Comparison_of_catcall_solutions (Some of the information may be outdated…). CAT: Changed availability or type.
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The following slides contain advanced material and are optional.
Restricting export status
Covariant redefinition of argument and result type
Exported to NONE
Wrong argument type will lead to runtime exception
LIST [STRING] conforms to LIST [ANY], thus the changed type in the argument and result are like a covariant redefinition.
Wrong element type