[Rd] Assignment in environment

Daniel Kaschek daniel.kaschek at physik.uni-freiburg.de
Sun Feb 7 17:44:27 CET 2016

On So, Feb 7, 2016 at 2:46 , Duncan Murdoch <murdoch.duncan at gmail.com> 

> An assignment function should return the modified value.  So it looks 
> like you would need
> 'getValue<-' <- function(x, value) {
>    environment(x)$mylist <- value
>    x
>  }

Thanks. I have not thought of a return value. That makes the difference.

> but in fact, this doesn't work:
> getValue(fn)[[1]] <- 3
> Error in getValue(fn)[[1]] <- 3 : could not find function "getValue"

I have a "getValue" function anyway. It was even the other way round. I 
wanted to assign values without a function "getValue<-" and was rebuked 
by R that this function was missing.

Thanks to both of you, Peter and Duncan.

Best regards,

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