Function definition: Difference between revisions
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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. |
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. |
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Many processors do not comply with this specification, though, and allow ''overwriting'' the return value ''multiple'' times. |
Many processors do not comply with this specification, though, and allow ''overwriting'' the return value ''multiple'' times. |
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=={{header|PascalABC.NET}}== |
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<syntaxhighlight lang="delphi"> |
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function multiply(a,b: real): real := a + b; |
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</syntaxhighlight> |
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=={{header|Perl}}== |
=={{header|Perl}}== |
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