>> BTW, that %in% has precedence over arithmetic operations is surprising, >> error-prone, and doesn't cover any reasonable use case (who needs to >> multiply the logical vector returned by %in% by some value?) but that's >> another story: > > The point here is that the %foo% operators all have the _same_ precedence. In > principle, they can be user-coded, and there is no way to express what > precedence is desirable. It may turn out slightly weird for %in%, but think > of what would happen if %*% had lower precedence than addition.
This is getting way off topic, but I find the precedence of ! to be more surprising: > !F + !F [1] FALSE i.e. that's interpreted as !(F + !F) not (!F) + (!F). Hadley -- http://had.co.nz/ ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
