On 3/24/2009 10:02 AM, Stavros Macrakis wrote:
Peter, Duncan,
I understand that the missing value indicator is special and will not
behave like an ordinary value in evaluation. I was only discussing its
handling in the text representation functions dput and dump.
Duncan,
You are absolutely rig
Peter, Duncan,
I understand that the missing value indicator is special and will not
behave like an ordinary value in evaluation. I was only discussing its
handling in the text representation functions dput and dump.
Duncan,
You are absolutely right that "list(x=)" is parseable (though not
evalu
Duncan Murdoch wrote:
On 23/03/2009 7:37 PM, Stavros Macrakis wrote:
It appears to be the
zero-length name:
is.name(ff$x) => TRUE
as.character(ff$x) => ""
This may give you a hint:
> y <- ff$x
> y
Error: argument "y" is missing, with no default
It's a special internal thing th
> -Original Message-
> From: r-devel-boun...@r-project.org
> [mailto:r-devel-boun...@r-project.org] On Behalf Of Duncan Murdoch
> Sent: Monday, March 23, 2009 5:28 PM
> To: Stavros Macrakis
> Cc: r-devel@r-project.org
> Subject: Re: [Rd] dput(as.list(function...).
On 23/03/2009 7:37 PM, Stavros Macrakis wrote:
Tested in R 2.8.1 Windows
ff <- formals(function(x)1)
ff1 <- as.list(function(x)1)[1]
# ff1 acts the same as ff in the examples below, but is a list rather
than a pairlist
dput( ff , control=c("warnIncomplete"))
list(x = )
This string is not p
Stavros Macrakis wrote:
> Tested in R 2.8.1 Windows
>
>
>> ff <- formals(function(x)1)
>> ff1 <- as.list(function(x)1)[1]
>>
> # ff1 acts the same as ff in the examples below, but is a list rather
> than a pairlist
>
>
>> dput( ff , control=c("warnIncomplete"))
>>
> list(x = )
>
> T
Tested in R 2.8.1 Windows
> ff <- formals(function(x)1)
> ff1 <- as.list(function(x)1)[1]
# ff1 acts the same as ff in the examples below, but is a list rather
than a pairlist
> dput( ff , control=c("warnIncomplete"))
list(x = )
This string is not parsable, but dput does not give a warning as sp
