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60 lines
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3.7 KiB
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<title>CLiki: Design by contract</title>
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<span class="hidden">CLiki - Design by contract</span>
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<div id="content"><div id="content-area"><div id="article-title">Design by contract</div><div id="article">Design by contract is an approach for designing software. It prescribes that software designers should define formal, precise and verifiable interface specifications for software components, which extend the ordinary definition of abstract data types with preconditions, postconditions and invariants. These specifications are referred to as "contracts", in accordance with a conceptual metaphor with the conditions and obligations of business contracts.<p>The technique was pioneered by Bertrand Meyer in his design of Eiffel.<p><ul>
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<li>
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<a href="DBC.html" class="internal">DBC</a> -
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DBC is a library for doing <a href="Design by contract.html" class="category">Design by contract</a> ala the Eiffel programming language in Common Lisp
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<a href="quid-pro-quo.html" class="internal">quid-pro-quo</a> -
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A contract programming library for Common Lisp in the style of Eiffel’s <a href="Design by contract.html" class="category">Design by contract</a>
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