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libutil: add Bytes type

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not used anywhere yet, but we'll use this a lot soon for generators that
return file contents, wire protocol fragments, or indeed any byte stream

Change-Id: I01a46f9bf9d75aaf4a5d7662773b99f498862a28
This commit is contained in:
eldritch horrors 2024-06-27 16:30:45 +02:00
parent 73ddc4540f
commit 4857feb910
1 changed files with 5 additions and 0 deletions
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5
src/libutil/types.hh
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@ -11,6 +11,7 @@
#include <map> #include <map>
#include <variant> #include <variant>
#include <vector> #include <vector>
#include <span>
namespace nix { namespace nix {
@ -19,6 +20,10 @@ typedef std::set<std::string> StringSet;
typedef std::map<std::string, std::string> StringMap; typedef std::map<std::string, std::string> StringMap;
typedef std::map<std::string, std::string> StringPairs; typedef std::map<std::string, std::string> StringPairs;
// TODO this should be a std::byte span, but too much of the
// current codebase predates std::byte and uses char instead
using Bytes = std::span<const char>;
/** /**
* Paths are just strings. * Paths are just strings.
*/ */