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<meta>
<topic id="textsbasicshared03060300xml" indexer="include" status="PUBLISH">
<title id="tit" xml-lang="en-US">Imp Operator</title>
<filename>/text/sbasic/shared/03060300.xhp</filename>
</topic>
</meta>
<body>
<section id="imp">
<bookmark xml-lang="en-US" branch="index" id="bm_id3156024">
<bookmark_value>Imp operator (logical)</bookmark_value>
</bookmark>
<h1 id="hd_id3156024"><link href="text/sbasic/shared/03060300.xhp">Imp Operator</link></h1>
<paragraph id="par_id3148947" role="paragraph" xml-lang="en-US">Performs a logical implication on two expressions.</paragraph>
</section>
<h2 id="hd_id3148664">Syntax:</h2>
<bascode>
<paragraph id="par_id3149656" role="bascode" xml-lang="en-US">Result = Expression1 Imp Expression2</paragraph>
</bascode>
<h2 id="hd_id3151212">Parameters:</h2>
<paragraph id="par_id3154910" role="paragraph" xml-lang="en-US"> <emph>Result:</emph> Any numeric variable that contains the result of the implication.</paragraph>
<paragraph id="par_id3156281" role="paragraph" xml-lang="en-US"> <emph>Expression1, Expression2:</emph> Any expressions that you want to evaluate with the Imp operator.</paragraph>
<paragraph id="par_id3150440" role="paragraph" xml-lang="en-US">If you use the Imp operator in Boolean expressions, False is only returned if the first expression evaluates to True and the second expression to False.</paragraph>
<paragraph id="par_id3163710" role="paragraph" xml-lang="en-US">If you use the Imp operator in bit expressions, a bit is deleted from the result if the corresponding bit is set in the first expression and the corresponding bit is deleted in the second expression.</paragraph>
<h2 id="hd_id3147318">Example:</h2>
<bascode>
<paragraph id="par_idm1341575552" role="bascode" localize="false" xml-lang="en-US">Sub ExampleImp</paragraph>
<paragraph id="par_idm1341574320" role="bascode" localize="false" xml-lang="en-US">Dim A As Variant, B As Variant, C As Variant, D As Variant</paragraph>
<paragraph id="par_idm1341573040" role="bascode" localize="false" xml-lang="en-US">Dim vOut As Variant</paragraph>
<paragraph id="par_idm1341571808" role="bascode" localize="false" xml-lang="en-US"> A = 10: B = 8: C = 6: D = Null</paragraph>
<paragraph id="par_id3145750" role="bascode" xml-lang="en-US"> vOut = A > B Imp B > C ' returns -1</paragraph>
<paragraph id="par_id3156441" role="bascode" xml-lang="en-US"> vOut = B > A Imp B > C ' returns -1</paragraph>
<paragraph id="par_id3152596" role="bascode" xml-lang="en-US"> vOut = A > B Imp B > D ' returns 0</paragraph>
<paragraph id="par_id3154942" role="bascode" xml-lang="en-US"> vOut = (B > D Imp B > A) ' returns -1</paragraph>
<paragraph id="par_id3154492" role="bascode" xml-lang="en-US"> vOut = B Imp A ' returns -1</paragraph>
<paragraph id="par_idm1341561584" role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph>
</bascode>
</body>
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