Changes between Initial Version and Version 1 of operator

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Timestamp:
05/17/10 07:27:27 (8 years ago)
Author:
acher
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  • operator

    v1 v1  
     1= operator =  
     2 
     3The operator operation returns the "variability operator" of a feature in a feature model, i.e., the operator (mandatory, optional, Xor, Or) of the feature and its parent. 
     4 
     5op = '''operator''' ft 
     6 
     7ft is a variable of feature type 
     8 
     9op is an operator type whose value is either MAND, OPT, XOR or OR of feature 'ft' and its parent 
     10 
     11Note that a leaf feature does have an operator and a root feature has no operator. 
     12 
     13op = '''operator''' fm1.A 
     14 
     15op is the operator of feature A (present in the feature model fm1) 
     16 
     17== example ==  
     18 
     19[[Image(wiki:operator:operator.png)]]