deprecating old date(time) classes as outlined in Nov 2016

Author: eddelbuettel

ChangeLog

@@ -1,3 +1,9 @@
+2017-10-30  Dirk Eddelbuettel  <[email protected]>
+
+        * inst/include/Rcpp.h: Unless RCPP_FORCE_OLD_DATE_DATETIME_VECTORS is
+        defined, define RCPP_NEW_DATE_DATETIME_VECTORS to switch to new date and
+        datetime vector as announced in release 0.12.8 one year ago
+
 2017-10-03  Dirk Eddelbuettel  <[email protected]>
 
         * inst/include/Rcpp/iostream/Rstreambuf.h: White-space edits

inst/NEWS.Rd

@@ -11,6 +11,9 @@
       added to \code{MatrixRow} as well (Dan Dillon in \ghpr{750}).
       \item The \code{Rostream} object now contains a \code{Buffer} rather than
       allocating one (Kirill Müller in \ghpr{763}).
+      \item New \code{DateVector} and \code{DatetimeVector} classes are now the
+      default fully deprecating the old classes as announced one year ago.
+      
     }
     \item Changes in Rcpp Package:
     \itemize{

inst/include/Rcpp.h

@@ -56,7 +56,9 @@
 #include <Rcpp/Formula.h>
 #include <Rcpp/DataFrame.h>
 
-//  #define RCPP_NEW_DATE_DATETIME_VECTORS 1
+#if !defined(RCPP_FORCE_OLD_DATE_DATETIME_VECTORS)
+  #define RCPP_NEW_DATE_DATETIME_VECTORS 1
+#endif
 #include <Rcpp/date_datetime/date_datetime.h>
 
 #include <Rcpp/Na_Proxy.h>