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| author | John Hodge <tpg@ucc.asn.au> | 2019-07-20 14:33:01 +0800 |
|---|---|---|
| committer | John Hodge <tpg@ucc.asn.au> | 2019-07-20 14:33:01 +0800 |
| commit | 4ffc42457c1265dfa6ee3bb2418f16ed4fd57fef (patch) | |
| tree | b203b2cc6836ca7ade468818cc1a42a0e96fc8e2 /src/common.hpp | |
| parent | 50c96bfab2b0bad4845a8a6beec096239a1840ab (diff) | |
| download | mrust-4ffc42457c1265dfa6ee3bb2418f16ed4fd57fef.tar.gz | |
HIR Typecheck - Move NullOnDrop to a common location
Diffstat (limited to 'src/common.hpp')
| -rw-r--r-- | src/common.hpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/common.hpp b/src/common.hpp index 4cea1633..0363c334 100644 --- a/src/common.hpp +++ b/src/common.hpp @@ -412,5 +412,17 @@ RunIterable<T> runs(const ::std::vector<T>& x) { return RunIterable<T>(x); } +template<typename T> +class NullOnDrop { + T*& ptr; +public: + NullOnDrop(T*& ptr): + ptr(ptr) + {} + ~NullOnDrop() { + ptr = nullptr; + } +}; + #endif |