Function definition: Difference between revisions
PascalABC.NET
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After a <tt>function</tt> has been activated, there must have be ''exactly one'' assignment to the (implicitly declared) variable bearing the same name as of the function.
Many processors do not comply with this specification, though, and allow ''overwriting'' the return value ''multiple'' times.
=={{header|PascalABC.NET}}==
<syntaxhighlight lang="delphi">
function multiply(a,b: real): real := a + b;
</syntaxhighlight>
=={{header|Perl}}==
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