enhance compiler with ability to handle nCompiler namespace resolution for more flexibility for dependent packages #111
Description
As discussed in issue #110, the use of importFrom(nCompiler, nClass, nFunction, nCompile) in NAMESPACE or the use of nCompiler::nCompile (etc.) without any import in NAMESPACE does not work. This fails if a user were to use nCompiler operators without use of nCompiler::. This would happen if a user used rep, e.g., not realizing that this is changed to nRep or if they use nCompiler operators in models (e.g., dinvgamma).
This is documented extensively via dependent_package_tests/test-packaging.R, with expect_error showing how uncompiled execution fails to find nRep (the operator used in the nClass method in the tests).
@perrydv and I discussed enhancing nCompile to inject nCompiler:: as needed for R execution and stripping out nCompiler:: during compilation. This seems like it would be a good idea and reasonably straightforward.
I think there is a good argument for leaving this for a future release.