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Merge pull request #9061

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085fdea Add compile-time check for input iterators in ::wire array writing (Lee *!* Clagett)
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luigi1111 2024-01-18 17:59:47 -05:00
commit 6d00cf2c2d
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1 changed files with 8 additions and 1 deletions
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9
contrib/epee/include/serialization/wire/write.h
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@ -30,6 +30,7 @@
#include <boost/utility/string_ref.hpp> #include <boost/utility/string_ref.hpp>
#include <boost/range/size.hpp> #include <boost/range/size.hpp>
#include <cstdint> #include <cstdint>
#include <iterator>
#include <system_error> #include <system_error>
#include <type_traits> #include <type_traits>
@ -188,7 +189,13 @@ namespace wire_write
template<typename T> template<typename T>
inline std::size_t array_size(std::true_type, const T& source) inline std::size_t array_size(std::true_type, const T& source)
{ return boost::size(source); } {
static_assert(
!std::is_same<typename std::iterator_traits<typename T::const_iterator>::iterator_category, std::input_iterator_tag>{},
"Input iterators must use json (or similar) derived classes directly"
);
return boost::size(source);
}
template<typename T> template<typename T>
inline constexpr std::size_t array_size(std::false_type, const T&) noexcept inline constexpr std::size_t array_size(std::false_type, const T&) noexcept