Robustness principle: Difference between revisions

Revision as of 17:17, 27 November 2022

Revision as of 14:06, 12 March 2023

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In other words, programs that send messages to other machines (or to other programs on the same machine) should conform completely to the specifications, but programs that receive messages should accept non-conformant input as long as the meaning is clear.

Among programmers, to produce [[Liskov substitution principle|compatible functions]], the principle is also known in the form [[Covariance and contravariance (computer science)|be contravariant in the input type and covariant in the output type]].

== Interpretation ==