ike those inside <code>data</code>, which can have
<a href="overview-of-data-types.html#constrained-data-types">constraints</a> and must include sizes for their types,
like in the above examples. Local variables, like those defined inside loops
or local blocks cannot be constrained, but still include sizes. Finally,
variables declared as <a href="argument-types-and-qualifiers.html#argument-types-and-qualifiers">function parameters</a>
are not constrained types and <em>exclude</em> sizes.</p>
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