Hi all,

I wonder if the R Core team might reconsider an old feature request, as 
detailed in this 2005 thread: 
https://stat.ethz.ch/pipermail/r-help/2005-February/thread.html#66698

The TL;DR version is base R support for a `+.character` method. This would 
essentially provide a shortcut to `paste​0`, in much the same way that `\(x)` 
now provides a shortcut to `function(x)`.

> a = "hello "; b = "world"
> a + b
> [1] "hello world"

I appreciate some of the original concerns raised against a native "string1 + 
string2" implementation. The above thread also provides several 
use-at-your-own-risk workarounds. But sixteen years is a long time in software 
development and R now stands as something of an exception on this score. 
Python, Julia, Stata, and SQL (among various others) all support native string 
concatenation/interpolation using binary/arithmetic operators. It's been a 
surprising source of frustration for students in some of the classes I teach, 
particularly those coming from another language.

Many thanks for considering.

PS. I hope I didn't miss any additional discussion of this issue beyond the 
original 2005 thread. My search efforts didn't turn anything else up, except 
this popular Stackoverflow question: 
https://stackoverflow.com/questions/4730551/making-a-string-concatenation-operator-in-r

Grant McDermott
Assistant Professor
Department of Economics
University of Oregon
www.grantmcdermott.com


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