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C++ Async Framework
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log_helper_extras.hpp
Go to the documentation of this file.
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#
pragma
once
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/// @file userver/logging/log_helper_extras.hpp
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/// @brief Logging for less popular types from std and boost
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#
include
<
tuple
>
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#
include
<
userver
/
logging
/
log_helper
.
hpp
>
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USERVER_NAMESPACE_BEGIN
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namespace
logging
{
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template
<
typename
... Types>
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LogHelper& operator<<(LogHelper& lh,
const
std::tuple<Types...>& value) {
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lh <<
"("
;
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if
constexpr
(
sizeof
...(Types) != 0) {
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lh << std::get<0>(value);
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if
constexpr
(
sizeof
...(Types) > 1) {
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std::apply([&lh](
auto
&&,
auto
&&... v) { ((lh <<
", "
<< v), ...); },
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value);
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}
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}
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lh <<
")"
;
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return
lh;
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}
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}
// namespace logging
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USERVER_NAMESPACE_END
userver
logging
log_helper_extras.hpp
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