[R] "a"+"b"

From: Matthew Dowle <mdowle_at_concordiafunds.com>
Date: Tue 02 May 2006 - 20:43:43 EST

Hi,

Is there a way to define "+" so that "a"+"b" returns "ab" ?

> setMethod("+",c("character","character"),paste)
Error in setMethod("+", c("character", "character"), paste) :

        the method for function '+' and signature e1="character", e2="character" is sealed and cannot be re-defined
> "a"+"b"

Error in "a" + "b" : non-numeric argument to binary operator

Thanks!

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