Go! (programming language): Difference between revisions

Revision as of 10:15, 18 November 2009

Revision as of 10:17, 18 November 2009

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The <code><˜</code> rule defines an interface type - it indicates what properties are characteristic of a <code>person</code> and also gives type constraints on these properties. It documents that <code>age</code> is a functional property with an integer value, that <code>lives</code> is a unary relation over strings, and that <code>dayOfBirth</code> is a functional property with a value that is an object of type <code>day</code>.

The <code>$=</code> .,cfgm.lxjcng,jc,cjnjnctypetype rule indicates that there is also a theory label, with the functor <code>person</code>, for a theory that defines the characteristic properties of the <code>person</code> type - implements the <code>person</code> interface - in terms of four given parameters of types string, <code>day</code>, <code>Gender</code>, and string.

== Footnotes ==