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Remove comparator.hh and switch to <=> in a bunch of places

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Known behavior changes:

- `MemorySourceAccessor`'s comparison operators no longer forget to
  compare the `SourceAccessor` base class.

Progress on #10832

What remains for that issue is hopefully much easier!
This commit is contained in:
John Ericson 2024-05-16 18:46:38 -04:00
parent 2a95a2d780
commit bc83b9dc1f
49 changed files with 300 additions and 271 deletions
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19
src/libstore/derived-path-map.cc
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@ -54,17 +54,18 @@ typename DerivedPathMap<V>::ChildNode * DerivedPathMap<V>::findSlot(const Single
namespace nix {
GENERATE_CMP_EXT(
template<>,
DerivedPathMap<std::set<std::string>>::ChildNode,
me->value,
me->childMap);
template<>
bool DerivedPathMap<std::set<std::string>>::ChildNode::operator == (
const DerivedPathMap<std::set<std::string>>::ChildNode &) const noexcept = default;
GENERATE_CMP_EXT(
template<>,
DerivedPathMap<std::set<std::string>>,
me->map);
// TODO libc++ 16 (used by darwin) missing `std::map::operator <=>`, can't do yet.
#if 0
template<>
std::strong_ordering DerivedPathMap<std::set<std::string>>::ChildNode::operator <=> (
const DerivedPathMap<std::set<std::string>>::ChildNode &) const noexcept = default;
#endif
template struct DerivedPathMap<std::set<std::string>>::ChildNode;
template struct DerivedPathMap<std::set<std::string>>;
};