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Diffstat (limited to 'third_party/nix/src/libutil/visitor.hh')
| -rw-r--r-- | third_party/nix/src/libutil/visitor.hh | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/third_party/nix/src/libutil/visitor.hh b/third_party/nix/src/libutil/visitor.hh deleted file mode 100644 index bf1d665af77f..000000000000 --- a/third_party/nix/src/libutil/visitor.hh +++ /dev/null @@ -1,19 +0,0 @@ -#pragma once - -namespace nix::util { - -// Helper class used for visiting std::variants by creating a variadic -// list of lambda expressions that delegates calls to each of the -// callables. -// -// See e.g. -// https://dev.to/tmr232/that-overloaded-trick-overloading-lambdas-in-c17 -template <class... Ts> -struct overloaded : Ts... { - using Ts::operator()...; -}; - -template <class... Ts> -overloaded(Ts...) -> overloaded<Ts...>; - -} // namespace nix::util |