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Simplify serial:process_buffer self-selection filter

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Use std::enable_if, so that the second argument becomes part of the
parameter pack instead of requiring explicit handling.
This commit is contained in:
Kp 2020-05-17 23:35:25 +00:00
parent 72c5221e0b
commit 99a03b21ce
1 changed files with 3 additions and 3 deletions
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6
common/include/serial.h
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@ -743,12 +743,12 @@ static void process_buffer(Accessor &&accessor, const message<A1, Args...> &m)
}
/* Require at least two arguments to prevent self-selection */
template <typename Accessor, typename A1, typename A2, typename... An>
static void process_buffer(Accessor &&accessor, A1 &&a1, A2 &&a2, An &&... an)
template <typename Accessor, typename A1, typename... An>
static typename std::enable_if<(sizeof...(An) > 0)>::type process_buffer(Accessor &&accessor, A1 &&a1, An &&... an)
{
detail::sequence({
(process_buffer(accessor, std::forward<A1>(a1)),
process_buffer(accessor, std::forward<A2>(a2)), static_cast<uint8_t>(0)),
static_cast<uint8_t>(0)),
(process_buffer(accessor, std::forward<An>(an)), static_cast<uint8_t>(0))...
});
}