Hide Nullable::operatorT() behind a #define

eddelbuettel · eddelbuettel · commit 8dcc96bba350 · 2026-04-12T10:06:38.000-05:00
This passes reverse-dependency checks
diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,8 @@
+2026-04-12  Dirk Eddelbuettel  <edd@debian.org>
+
+	* inst/include/Rcpp/Nullable.h (Nullable): 'operator T()' is now
+	behind an opt-in #define
+
 2026-04-09  Dirk Eddelbuettel  <edd@debian.org>
 
 	* DESCRIPTION (Version, Date): Roll micro version and date
diff --git a/inst/include/Rcpp/Nullable.h b/inst/include/Rcpp/Nullable.h
@@ -81,7 +81,7 @@ namespace Rcpp {
             return m_sexp;
         }
 
-#if R_VERSION > R_Version(4,3,0)
+#if R_VERSION > R_Version(4,3,0) && defined(RCPP_ENABLE_NULLABLE_T)
         /**
          * operator T() to return nullable object
          *

Original file line number	Diff line number	Diff line change
`@@ -81,7 +81,7 @@ namespace Rcpp {`
`81`	`81`	`return m_sexp;`
`82`	`82`	`}`
`83`	`83`
`84`		`-#if R_VERSION > R_Version(4,3,0)`
	`84`	`+#if R_VERSION > R_Version(4,3,0) && defined(RCPP_ENABLE_NULLABLE_T)`
`85`	`85`	`/**`
`86`	`86`	`* operator T() to return nullable object`
`87`	`87`	`*`