From 89cb33446106ebca61f8109aa715fb279e2cb0e6 Mon Sep 17 00:00:00 2001
From: Romain Francois <romain@purrple.cat>
Date: Fri, 1 Jun 2018 12:46:10 +0200
Subject: [PATCH] making Environment::new_child() const

---
 inst/include/Rcpp/Environment.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/inst/include/Rcpp/Environment.h b/inst/include/Rcpp/Environment.h
index f37e5bb06..f231649a3 100644
--- a/inst/include/Rcpp/Environment.h
+++ b/inst/include/Rcpp/Environment.h
@@ -407,7 +407,7 @@ namespace Rcpp{
         /**
          * creates a new environment whose this is the parent
          */
-        Environment_Impl new_child(bool hashed) {
+        Environment_Impl new_child(bool hashed) const {
             SEXP newEnvSym = Rf_install("new.env");
             return Environment_Impl( Rcpp_eval(Rf_lang3( newEnvSym, Rf_ScalarLogical(hashed), Storage::get__() )) );
         }