How to define an array with RDataFrame

ROOT
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_ROOT Version:6.18.04

Doesn’t RDataFrame::Define support define an array? with the same as below

TTree::Branch(“a”, &a, “a[100]/D”)

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Hi,
no, Define does not support pointer semantics and therefore it does not support arrays. You can Define a std::vector instead.

Cheers,
Enrico

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