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author | Ryan Prichard <rprichard@google.com> | 2022-08-30 16:49:44 -0700 |
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committer | Ryan Prichard <rprichard@google.com> | 2022-08-30 16:49:44 -0700 |
commit | 370db67f7d16fd09d037d9cf3b7ff8f6cd41c0a4 (patch) | |
tree | 7c19dbf0509f14fdabc9ff45228b7c39c667a691 | |
parent | 463426410dccca2ed8e2d8e7ae88bdcf4ba915ea (diff) | |
download | llvm-370db67f7d16fd09d037d9cf3b7ff8f6cd41c0a4.tar.gz |
Remove use of std::unary_function and std::binary_function
These types were deprecated in C++11 and removed in C++17. Upstream
libc++ now removes the declarations for new-enough C++ modes.
Bug: http://b/175635923
Test: treehugger
Change-Id: Ib863ef20c69ed9da115c0427dc38a61ecdec2606
-rw-r--r-- | include/llvm/ADT/STLExtras.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/include/llvm/ADT/STLExtras.h b/include/llvm/ADT/STLExtras.h index abd39dacc671..a032efa5cee2 100644 --- a/include/llvm/ADT/STLExtras.h +++ b/include/llvm/ADT/STLExtras.h @@ -36,7 +36,11 @@ namespace llvm { //===----------------------------------------------------------------------===// template<class Ty> -struct identity : public std::unary_function<Ty, Ty> { +struct identity { + // Android: In upstream LLVM, identity used to inherit from + // std::unary_function<Ty, Ty>, so use Ty here instead of Ty&. + using argument_type = Ty; + using result_type = Ty; Ty &operator()(Ty &self) const { return self; } @@ -46,14 +50,24 @@ struct identity : public std::unary_function<Ty, Ty> { }; template<class Ty> -struct less_ptr : public std::binary_function<Ty, Ty, bool> { +struct less_ptr { + // Android: In upstream LLVM, less_ptr used to inherit from + // std::binary_function<Ty, Ty, bool>, so use Ty here instead of const Ty*. + using first_argument_type = Ty; + using second_argument_type = Ty; + using result_type = bool; bool operator()(const Ty* left, const Ty* right) const { return *left < *right; } }; template<class Ty> -struct greater_ptr : public std::binary_function<Ty, Ty, bool> { +struct greater_ptr { + // Android: In upstream LLVM, greater_ptr used to inherit from + // std::binary_function<Ty, Ty, bool>, so use Ty here instead of const Ty*. + using first_argument_type = Ty; + using second_argument_type = Ty; + using result_type = bool; bool operator()(const Ty* left, const Ty* right) const { return *right < *left; } |