[Rd] Syntactically valid names
cubranic at stat.ubc.ca
Wed Jul 6 01:55:28 CEST 2011
On June 30, 2011 01:37:57 PM Hadley Wickham wrote:
> Is there any easy way to tell if a string is a syntactically valid name?
> One implementation would be:
> is.syntactic <- function(x) x == make.names(x)
> but I wonder if there's a more elegant way.
This is without quoting, right? Because "make.names" replaces spaces with
periods, and using quoting I can create syntactically valid names that do
`x prime` <- 3
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