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mdbx++: fix move-assignment operators for "managed" classes.

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The three same mistakes for `mdbx::env_managed`, `mdbx::txn_managed` and `mdbx::cursor_managed`.

A `derived_managed &operator=(derived_managed &&) = default;`
don't call an inherited `base::operator=()` since it hidded because the
`derived_managed(derived_managed &&) = default;` is also provided.

Replaces/overrides https://github.com/erthink/libmdbx/pull/270.
This commit is contained in:
Леонид Юрьев (Leonid Yuriev) 2022-02-23 17:51:46 +03:00
parent 6b45498985
commit 3c574fca99
1 changed files with 3 additions and 3 deletions
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6
mdbx.h++
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@ -3453,7 +3453,7 @@ public:
void close(bool dont_sync = false);
env_managed(env_managed &&) = default;
env_managed &operator=(env_managed &&) = default;
using inherited::operator=;
env_managed(const env_managed &) = delete;
env_managed &operator=(const env_managed &) = delete;
virtual ~env_managed() noexcept;
@ -3744,7 +3744,7 @@ class LIBMDBX_API_TYPE txn_managed : public txn {
public:
MDBX_CXX11_CONSTEXPR txn_managed() noexcept = default;
txn_managed(txn_managed &&) = default;
txn_managed &operator=(txn_managed &&) = default;
using inherited::operator=;
txn_managed(const txn_managed &) = delete;
txn_managed &operator=(const txn_managed &) = delete;
~txn_managed() noexcept;
@ -3939,7 +3939,7 @@ public:
void close();
cursor_managed(cursor_managed &&) = default;
cursor_managed &operator=(cursor_managed &&) = default;
using inherited::operator=;
cursor_managed(const cursor_managed &) = delete;
cursor_managed &operator=(const cursor_managed &) = delete;
~cursor_managed() noexcept { ::mdbx_cursor_close(handle_); }