mirror of
https://github.com/NixOS/nix
synced 2025-06-25 02:21:16 +02:00
ebb836d499
This patch finally applies the transition to std::less<>,
which is a transparent comparator. There's no functional
change and string lookups in sets are now more efficient
and don't produce temporaries (e.g. set.find(std::string_view{"key"})).
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
#pragma once
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/**
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* @file
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*
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* Template implementations (as opposed to mere declarations).
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*
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* This file is an exmample of the "impl.hh" pattern. See the
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* contributing guide.
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*/
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#include "nix/store/common-protocol.hh"
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#include "nix/store/length-prefixed-protocol-helper.hh"
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namespace nix {
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/* protocol-agnostic templates */
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#define COMMON_USE_LENGTH_PREFIX_SERIALISER(TEMPLATE, T) \
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TEMPLATE T CommonProto::Serialise< T >::read(const StoreDirConfig & store, CommonProto::ReadConn conn) \
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{ \
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return LengthPrefixedProtoHelper<CommonProto, T >::read(store, conn); \
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} \
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TEMPLATE void CommonProto::Serialise< T >::write(const StoreDirConfig & store, CommonProto::WriteConn conn, const T & t) \
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{ \
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LengthPrefixedProtoHelper<CommonProto, T >::write(store, conn, t); \
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}
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#define COMMA_ ,
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COMMON_USE_LENGTH_PREFIX_SERIALISER(template<typename T>, std::vector<T>)
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COMMON_USE_LENGTH_PREFIX_SERIALISER(template<typename T COMMA_ typename Compare>, std::set<T COMMA_ Compare>)
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COMMON_USE_LENGTH_PREFIX_SERIALISER(template<typename... Ts>, std::tuple<Ts...>)
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COMMON_USE_LENGTH_PREFIX_SERIALISER(
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template<typename K COMMA_ typename V>,
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std::map<K COMMA_ V>)
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#undef COMMA_
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/* protocol-specific templates */
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}
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