1111#include < list>
1212#include < memory>
1313#include < mutex>
14- #include " string_view.h"
1514#include < thread>
1615#include < unordered_map>
1716#include < unordered_set>
2221#include " json.hpp"
2322#include " logger.h"
2423#include " parse_util.h"
24+ #include " string_view.h"
2525
2626namespace datadog {
2727namespace tracing {
@@ -72,9 +72,8 @@ class CurlImpl {
7272 explicit HeaderReader (
7373 std::unordered_map<std::string, std::string> *response_headers_lower);
7474 std::optional<StringView> lookup (StringView key) const override ;
75- void visit (
76- const std::function<void (StringView key, StringView value)>
77- &visitor) const override ;
75+ void visit (const std::function<void (StringView key, StringView value)>
76+ &visitor) const override ;
7877 };
7978
8079 void run ();
@@ -439,8 +438,7 @@ CurlImpl::HeaderReader::HeaderReader(
439438 std::unordered_map<std::string, std::string> *response_headers_lower)
440439 : response_headers_lower_(response_headers_lower) {}
441440
442- std::optional<StringView> CurlImpl::HeaderReader::lookup (
443- StringView key) const {
441+ std::optional<StringView> CurlImpl::HeaderReader::lookup (StringView key) const {
444442 buffer_.clear ();
445443 std::transform (key.begin (), key.end (), std::back_inserter (buffer_),
446444 &to_lower);
@@ -453,8 +451,8 @@ std::optional<StringView> CurlImpl::HeaderReader::lookup(
453451}
454452
455453void CurlImpl::HeaderReader::visit (
456- const std::function<void (StringView key, StringView value)>
457- &visitor) const {
454+ const std::function<void (StringView key, StringView value)> &visitor)
455+ const {
458456 for (const auto &[key, value] : *response_headers_lower_) {
459457 visitor (key, value);
460458 }
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