[io] ROOT::Detail::TKeyMapIterable: return ref in operator++()

silverweed · silverweed · commit 237c6a940252 · 2025-10-09T14:55:37.000+02:00
diff --git a/io/io/inc/TFile.h b/io/io/inc/TFile.h
@@ -109,7 +109,7 @@ class TKeyMapIterable {
 
       TIterator(TFile *file, std::uint64_t addr);
 
-      iterator operator++()
+      iterator &operator++()
       {
          Advance();
          return *this;

Original file line number	Diff line number	Diff line change
`@@ -109,7 +109,7 @@ class TKeyMapIterable {`
`109`	`109`
`110`	`110`	`TIterator(TFile *file, std::uint64_t addr);`
`111`	`111`
`112`		`- iterator operator++()`
	`112`	`+ iterator &operator++()`
`113`	`113`	`{`
`114`	`114`	`Advance();`
`115`	`115`	`return *this;`