[R] Defining/Checking constants in packages

Barry Rowlingson B.Rowlingson at lancaster.ac.uk
Thu Nov 21 17:02:58 CET 2002


> 	> get("pi", pos="package:base")
> 	[1] 3.141593

Doesn't seem to work for me:

 > get("pi", pos="package:base")
[1] 0

Now, that might be because I've redefined 'get':

 > get


  So maybe if I am scared someone has redefined 'pi', I should also be 
paranoid about them redefining 'get'. However, I cant use:

get("get", pos="package:base")

  because my 'get' is already poisoned. So how can I reliably get the 
'get' in package:base:

 > base::get("pi",pos="package:base")
[1] 3.141593



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