[R] Is there a way to make blocks of code independent from each other?

[Jeff Laake]

Put in a function what you would have put in the {} and execute the function

x=1
myf=function()
{
   x=3
   do something with new value of x
   ...
}
myf()

print(x)  # it will be 1

On 1/31/2010 5:56 PM, Peng Yu wrote:
> I'm wondering if there is a way to make blocks of code independent
> from each other. Please see the following example for what I mean.
>
> x=1
>
> ## is there a way to make the following assignment not affect the above x?
> ## in C++, I can use {} to make the effect local. Is there an
> equivalent construct in R?
> x=3
> <do something with the new value of x>
> ###
>
> print(x) # I don't want the value of x change to 3.
>
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