From c668c0dbc368c06bc35f1f527a55d10cd8570d3b Mon Sep 17 00:00:00 2001
From: Danilo Piparo <danilo.piparo@cern.ch>
Date: Tue, 3 Oct 2017 13:36:17 +0200
Subject: [PATCH] [TDF] Update Take action documentation

---
 tree/treeplayer/inc/ROOT/TDFInterface.hxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tree/treeplayer/inc/ROOT/TDFInterface.hxx b/tree/treeplayer/inc/ROOT/TDFInterface.hxx
index 56ffe38a78e..adebb307ea5 100644
--- a/tree/treeplayer/inc/ROOT/TDFInterface.hxx
+++ b/tree/treeplayer/inc/ROOT/TDFInterface.hxx
@@ -872,6 +872,9 @@ public:
    /// \tparam COLL The type of collection used to store the values.
    /// \param[in] column The name of the column to collect the values of.
    ///
+   /// If the type of the column is std::array_view<T>, i.e. in the ROOT dataset this is
+   /// a C-style array, the type stored in the return container is a std::vector<T> to
+   /// guarantee the lifetime of the data involved.
    /// This action is *lazy*: upon invocation of this method the calculation is
    /// booked but not executed. See TResultProxy documentation.
    template <typename T, typename COLL = std::vector<T>>
-- 
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