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and never get written. Still investigating why this is better than TTree::SetDirectory.
knoepfel
approved these changes
Mar 30, 2026
gemmeren
approved these changes
Mar 30, 2026
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Note: By using TDirectory::TContext ctx(m_tfile.get());, you create a RAII-based sentry that temporarily switches the global gDirectory to your file for the duration of the scope and automatically restores the previous directory upon destruction, ensuring your TTree and its data products have a valid physical destination for writing. |
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Fixed bug in ROOT TTree container that causes TTree to remain in memory and never get written. Still investigating why this is better than TTree::SetDirectory.