| author | Claus Gittinger <cg@exept.de> |
| Sat, 12 May 2018 14:23:45 +0200 | |
| changeset 4088 | bbf9b58f99c8 |
| parent 3812 | 18492d5d4423 |
| permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 2008 by eXept Software AG |
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All Rights Reserved |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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"{ Package: 'stx:libview2' }"
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"{ NameSpace: Smalltalk }"
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BlockValue subclass:#BooleanBlockValue |
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instanceVariableNames:'' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Interface-Support-Models' |
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! |
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!BooleanBlockValue class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 2008 by eXept Software AG |
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All Rights Reserved |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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! ! |
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!BooleanBlockValue methodsFor:'logical operations'! |
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& anotherBooleanValueHolder |
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"return another valueHolder, which returns the logical and of myself and another valueHolder" |
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^ self class |
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forLogical:self and:anotherBooleanValueHolder |
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" |
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|b1 b2 a| |
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b1 := BooleanValueHolder new. |
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b2 := BooleanValueHolder new. |
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a := b1 & b2. |
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b1 value:false. |
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b2 value:true. |
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a value. |
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b1 value:true. |
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a value. |
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" |
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! |
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2484
d55c4fd22196
cannot use not as selector - sigh !
Claus Gittinger <cg@exept.de>
parents:
2463
diff
changeset
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logicalNot |
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"return another valueHolder, which returns the logical not of myself" |
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^ self class forLogicalNot:self. |
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" |
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|b nb| |
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b := BooleanValueHolder new. |
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nb := b not. |
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b value:true. |
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nb value. |
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b value:false. |
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nb value. |
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" |
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! |
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| anotherBooleanValueHolder |
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"return another valueHolder, which returns the logical or of myself and another valueHolder" |
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^ self class |
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forLogical:self or:anotherBooleanValueHolder |
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" |
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|b1 b2 o| |
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b1 := BooleanValueHolder new. |
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b2 := BooleanValueHolder new. |
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o := b1 | b2. |
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b1 value:false. |
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b2 value:false. |
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o value. |
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b1 value:true. |
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o value. |
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" |
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"Modified (comment): / 27-07-2013 / 09:54:54 / cg" |
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! ! |
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!BooleanBlockValue class methodsFor:'documentation'! |
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version |
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^ '$Header$' |
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! |
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version_CVS |
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^ '$Header$' |
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! ! |
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