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27cdf0e10cSrcweir<helpdocument version="1.0">
28cdf0e10cSrcweir<meta>
29cdf0e10cSrcweir<topic id="textsbasicshared03060300xml" indexer="include" status="PUBLISH">
30cdf0e10cSrcweir<title id="tit" xml-lang="en-US">Imp-Operator [Runtime]</title>
31cdf0e10cSrcweir<filename>/text/sbasic/shared/03060300.xhp</filename>
32cdf0e10cSrcweir</topic>
33cdf0e10cSrcweir<history>
34cdf0e10cSrcweir<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
35cdf0e10cSrcweir<lastedited date="2004-12-15T10:27:24">converted from old format - fpe</lastedited>
36cdf0e10cSrcweir</history>
37cdf0e10cSrcweir</meta>
38cdf0e10cSrcweir<body>
39cdf0e10cSrcweir<section id="imp">
40cdf0e10cSrcweir<bookmark xml-lang="en-US" branch="index" id="bm_id3156024"><bookmark_value>Imp operator (logical)</bookmark_value>
41cdf0e10cSrcweir</bookmark>
42cdf0e10cSrcweir<paragraph role="heading" id="hd_id3156024" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03060300.xhp" name="Imp-Operator [Runtime]">Imp Operator [Runtime]</link></paragraph>
43cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3148947" xml-lang="en-US" l10n="U" oldref="2">Performs a logical implication on two expressions.</paragraph>
44cdf0e10cSrcweir</section>
45cdf0e10cSrcweir<paragraph role="heading" id="hd_id3148664" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph>
46cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3149656" xml-lang="en-US" l10n="U" oldref="4">Result = Expression1 Imp Expression2</paragraph>
47cdf0e10cSrcweir<paragraph role="heading" id="hd_id3151212" xml-lang="en-US" level="2" l10n="U" oldref="5">Parameters:</paragraph>
48cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154910" xml-lang="en-US" l10n="U" oldref="6">
49cdf0e10cSrcweir<emph>Result:</emph> Any numeric variable that contains the result of the implication.</paragraph>
50cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3156281" xml-lang="en-US" l10n="U" oldref="7">
51cdf0e10cSrcweir<emph>Expression1, Expression2:</emph> Any expressions that you want to evaluate with the Imp operator.</paragraph>
52cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150440" xml-lang="en-US" l10n="U" oldref="8">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>
53cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3163710" xml-lang="en-US" l10n="U" oldref="9">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>
54cdf0e10cSrcweir<paragraph role="heading" id="hd_id3147318" xml-lang="en-US" level="2" l10n="U" oldref="10">Example:</paragraph>
55cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3155854" xml-lang="en-US" l10n="U" oldref="11">Sub ExampleImp</paragraph>
56cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3145272" xml-lang="en-US" l10n="CHG" oldref="12">Dim A as Variant, B as Variant, C as Variant, D as Variant</paragraph>
57cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3159156" xml-lang="en-US" l10n="U" oldref="13">Dim vOut as Variant</paragraph>
58cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3151116" xml-lang="en-US" l10n="U" oldref="14">A = 10: B = 8: C = 6: D = Null</paragraph>
59cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3145750" xml-lang="en-US" l10n="U" oldref="15">vOut = A &gt; B Imp B &gt; C REM returns -1</paragraph>
60cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3156441" xml-lang="en-US" l10n="CHG" oldref="16">vOut = B &gt; A Imp B &gt; C REM returns -1</paragraph>
61cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3152596" xml-lang="en-US" l10n="CHG" oldref="17">vOut = A &gt; B Imp B &gt; D REM returns 0</paragraph>
62cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154942" xml-lang="en-US" l10n="CHG" oldref="18">vOut = (B &gt; D Imp B &gt; A) REM returns -1</paragraph>
63cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154492" xml-lang="en-US" l10n="CHG" oldref="19">vOut = B Imp A REM returns -1</paragraph>
64cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3147394" xml-lang="en-US" l10n="U" oldref="20">End Sub</paragraph>
65cdf0e10cSrcweir</body>
66cdf0e10cSrcweir</helpdocument>
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