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addattributes
2010 Feb 17
1
side-effects in functions that replace object values and attributes
Hello list,
I encountered some surprising behavior in R and wanted to check to see if I was imagining things. Previously, I thought that replacement/setter operators in prefix notation (e.g., `[<-`(x,1,y) rather than x[1] <- y) did not produce side effects (i.e., left 'x' unchanged), but just realized that this is not the case anymore (or has it always been this way? - I don't