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2004 May 21
0
Failure to preserve package attribute when coercing S4 objects (PR#6904)
...;),contains="baseCl ass") [1] "fancyClassExtraSlots" > > > aFP <- new("fancyClass",a=2) > aFP2 <- new("fancyClassExtraSlots",a=2,b=3) > > aBP <- new("baseClass",a=1) > aBPcast <- as(aFP,"baseClass") > aBPcast2 <- as(aFP2,"baseClass") > # all the baseClass objects have the right class > sapply(list(aBP,aBPcast,aBPcast2),class) [1] "baseClass" "baseClass" "baseClass" > # however the object cast from a fancy class with no slots has a different package attr...