make 'new_env' a free function

Author: kevinushey

ChangeLog

@@ -1,3 +1,7 @@
+2014-09-03  Kevin Ushey  <[email protected]>
+
+        * inst/include/Rcpp/Environment.h: make new_env a free function
+
 2014-08-30  Kevin Ushey  <[email protected]>
 
         * inst/include/Rcpp/Environment.h: Add 'new_env' function

inst/include/Rcpp/Environment.h

@@ -22,7 +22,8 @@
 #ifndef Rcpp_Environment_h
 #define Rcpp_Environment_h
 
-// From R/Defn.h
+// From 'R/Defn.h'
+// NOTE: can't include header directly as it checks for some C99 features
 extern "C" SEXP R_NewHashedEnv(SEXP, SEXP);
 
 namespace Rcpp{
@@ -314,11 +315,6 @@ namespace Rcpp{
             return Rcpp::internal::get_Rcpp_namespace() ;
         }
 
-        static Environment_Impl new_env(int size = 29) {
-            Shield<SEXP> sizeSEXP(Rf_ScalarInteger(size));
-            return R_NewHashedEnv(R_EmptyEnv, sizeSEXP);
-        };
-
         /**
          * @param name the name of the package of which we want the namespace
          *
@@ -359,6 +355,11 @@ namespace Rcpp{
 
 typedef Environment_Impl<PreserveStorage> Environment ;
 
+inline Environment new_env(int size = 29) {
+    Shield<SEXP> sizeSEXP(Rf_ScalarInteger(size));
+    return R_NewHashedEnv(R_EmptyEnv, sizeSEXP);
+};
+
 
 } // namespace Rcpp