Boost on Pi Stack

C++ Error Handling Libraries: Boost.LEAF vs tl::expected vs Boost.Outcome vs std::expected

Mon, 22 Jun 2026 00:00:00 +0000

Error handling is one of the most debated topics in C++ — exceptions, error codes, std::optional, and monadic result types all compete for adoption. Choosing the right strategy directly impacts code readability, performance, and maintainability. This guide compares four modern C++ error handling libraries: Boost.LEAF, tl::expected, Boost.Outcome, and the standard std::expected (C++23).

Self-Hosted C++ Filesystem Libraries: std::filesystem vs ghc::filesystem vs Boost.Filesystem

Mon, 22 Jun 2026 00:00:00 +0000

Filesystem operations — traversing directories, checking file permissions, copying and moving files — are fundamental to almost every non-trivial C++ application. Before C++17, developers relied on platform-specific APIs (POSIX dirent.h, Windows FindFirstFile) or third-party libraries. The standardization of std::filesystem in C++17 changed the landscape, but real-world projects still face practical challenges: legacy C++11/14 codebases, incomplete compiler support, and the need for extended functionality beyond the standard.

Self-Hosted C++20 Coroutine Libraries: cppcoro vs Boost.Cobalt vs concurrencpp

Mon, 22 Jun 2026 00:00:00 +0000

Coroutines are the most transformative C++ feature since move semantics. With C++20, the language gained native coroutine support through the co_await, co_yield, and co_return keywords — but the standard library did not provide any concrete coroutine types. This intentional gap left the ecosystem to innovate, and three libraries have emerged as the leading options: cppcoro by Lewis Baker, Boost.Cobalt from the Boost organization, and concurrencpp by David Haim.