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regex-combinators: fix linter error when adding string_view and string

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This commit is contained in:
Jörg Thalheim 2024-12-16 12:47:20 +00:00
parent 3392a96901
commit 6848154b2e
1 changed files with 10 additions and 8 deletions
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18
src/libutil/regex-combinators.hh
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@ -3,6 +3,7 @@
#include <string_view> #include <string_view>
#include <string> #include <string>
#include <sstream>
namespace nix::regex { namespace nix::regex {
@ -11,22 +12,23 @@ namespace nix::regex {
static inline std::string either(std::string_view a, std::string_view b) static inline std::string either(std::string_view a, std::string_view b)
{ {
return std::string { a } + "|" + b; std::stringstream ss;
ss << a << "|" << b;
return ss.str();
} }
static inline std::string group(std::string_view a) static inline std::string group(std::string_view a)
{ {
return std::string { "(" } + a + ")"; std::stringstream ss;
} ss << "(" << a << ")";
return ss.str();
static inline std::string many(std::string_view a)
{
return std::string { "(?:" } + a + ")*";
} }
static inline std::string list(std::string_view a) static inline std::string list(std::string_view a)
{ {
return std::string { a } + many(group("," + a)); std::stringstream ss;
ss << a << "(," << a << ")*";
return ss.str();
} }
} }