On 2012-08-26 18:32, Dirk Eddelbuettel wrote:
On 26 August 2012 at 18:25, Laurent Gautier wrote: | Hi, | | I just stumbled on the following apparent oddity: the package "datasets" | does not appear to export anything out of its namespace: | | > ns_datasets <- getNamespace('datasets') | > getNamespaceExports(ns_datasets) | character(0) | | Not the case with other packages (example here with "utils"): | > ns_utils <- getNamespace('utils') | > head(getNamespaceExports(ns_utils)) | [1] "?" ".DollarNames" "adist" "alarm" "apropos" | [6] "aregexec" | | Is this a temporary glitch, or is there something new and specific to | "datasets" ?Seems to be on purpose -- here is its NAMESPACE file # This package exports nothing (it uses lazydata) # exportPattern(".") ie nuttin' gets exported. It also has no R/ directory.
It is a pity that things are not a little more unified and objects in packages can be either in R/ (be in a namespace, exported or not, always loaded) or in data/ (always exported, optional lazy loading).
Dirk
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