use std::error_code instead of system::error_code

[ashtum]

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[cppalliance-bot]

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2026-08-26 16:42:48 UTC

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.21%. Comparing base (0c78b75) to head (a24034c).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop      #48   +/-   ##
========================================
  Coverage    99.21%   99.21%           
========================================
  Files           67       67           
  Lines         3952     3953    +1     
========================================
+ Hits          3921     3922    +1     
  Misses          31       31           

Flag	Coverage Δ
linux	99.21% <100.00%> (+<0.01%)	⬆️

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Files with missing lines	Coverage Δ
include/boost/burl/head_parser.hpp	100.00% <ø> (ø)
include/boost/burl/message_reader.hpp	100.00% <ø> (ø)
include/boost/burl/message_writer.hpp	100.00% <ø> (ø)
include/boost/burl/parser.hpp	95.00% <ø> (ø)
include/boost/burl/serializer.hpp	100.00% <ø> (ø)
include/boost/burl/test/response_factory.hpp	98.21% <ø> (ø)
src/detail/grammar.hpp	100.00% <ø> (ø)
src/head_parser.cpp	99.57% <ø> (+<0.01%)	⬆️
src/parser.cpp	98.73% <ø> (ø)
src/serializer.cpp	99.67% <100.00%> (ø)

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