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[RF] New RooFit::Owner pointer wrapper to flag owning return values #9392

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guitargeek wants to merge 3 commits into from
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[RF] New RooFit::Owner pointer wrapper to flag owning return values #9392

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b8d5795
Introduce ROOT::ROwningPtr
vepadulano Aug 22, 2022
43c8caf
ROwningPtr no pointer template type
guitargeek Aug 23, 2022
06f9f9e
[RF] New `RooFit::Owner` pointer wrapper to flag owning return values
guitargeek Dec 5, 2021
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ROwningPtr no pointer template type
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@guitargeek
guitargeek committed Dec 7, 2023
commit 43c8cafcf7e1dbb1a4fdc0382c9ebad381c1d03d
10 changes: 5 additions & 5 deletions core/foundation/inc/ROOT/ROwningPtr.hxx
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Expand Up @@ -20,14 +20,14 @@
#include <memory>
namespace ROOT {

template <typename T, typename = std::enable_if_t<std::is_pointer<T>::value>>
template <typename T>
class ROwningPtr {
public:
using pointer = T;
using pointer = T *;
using element_type = typename std::remove_pointer<pointer>::type;
using reference = typename std::add_lvalue_reference<element_type>::type;

ROwningPtr(T ptr) : _ptr{ptr} {}
ROwningPtr(T *ptr) : _ptr{ptr} {}

operator pointer() { return _ptr; }
operator std::unique_ptr<element_type>() { return std::unique_ptr<element_type>{_ptr}; }
Expand All @@ -36,8 +36,8 @@ public:
pointer operator->() const { return _ptr; }

private:
T _ptr;
T *_ptr;
};

} // namespace ROOT
#endif
#endif
6 changes: 3 additions & 3 deletions io/io/inc/TFile.h
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Expand Up @@ -297,9 +297,9 @@ class TFile : public TDirectoryFile {
*AsyncOpen(const char *name, Option_t *option = "",
const char *ftitle = "", Int_t compress = ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault,
Int_t netopt = 0);
static ROOT::ROwningPtr<TFile *> Open(const char *name, Option_t *option = "", const char *ftitle = "",
Int_t compress = ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault,
Int_t netopt = 0);
static ROOT::ROwningPtr<TFile> Open(const char *name, Option_t *option = "", const char *ftitle = "",
Int_t compress = ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault,
Int_t netopt = 0);
static TFile *Open(TFileOpenHandle *handle);

static EFileType GetType(const char *name, Option_t *option = "", TString *prefix = nullptr);
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2 changes: 1 addition & 1 deletion io/io/src/TFile.cxx
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Expand Up @@ -4068,7 +4068,7 @@ TFile *TFile::OpenFromCache(const char *name, Option_t *, const char *ftitle,
/// In RECREATE mode, a nullptr is returned if the file can not be created.
/// In UPDATE mode, a nullptr is returned if the file cannot be created or opened.

ROOT::ROwningPtr<TFile *>
ROOT::ROwningPtr<TFile>
TFile::Open(const char *url, Option_t *options, const char *ftitle, Int_t compress, Int_t netopt)
{
TPluginHandler *h;
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