C++26 adds a new <debug> header (via P2546R5 and companion P2810R4, credited to René Ferdinand Rivera Morell) that standardizes a tiny, pragmatic debugging API: std::breakpoint() (unconditional), std::is_debugger_present() (query), and std::breakpoint_if_debugging() (convenience). All three are noexcept, freestanding and non-constexpr; breakpoint() typically emits an int3 on x86 and has implementation-defined behavior when no debugger is attached (often delivering SIGTRAP). The intent is to replace the myriad project-specific macros and platform checks that currently reinvent how to programmatically hit a breakpoint.
The standard leaves detection mechanisms implementation-defined - Windows implementations can call ::IsDebuggerPresent(), Linux ones can read /proc/self/status’s TracerPid - and makes std::is_debugger_present() replaceable so bare-metal or custom platforms can supply their own check. breakpoint_if_debugging() is simply if (std::is_debugger_present()) std::breakpoint(). Separating detection from the trap enables other debugger-aware behavior: extra diagnostics, disabling timeouts during stepping, switching to debugger-friendly allocators, or avoiding optimizations that impede debugging. This is a small, practical addition that codifies well-known platform knowledge and saves projects from repeating the same boilerplate.
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Brutal, a C# framework used by RocketWerkz and other studios to develop games like RimWorld's new engine, has released its source code. The framework enables developers to build games more independently without starting from scratch, supporting multiple ongoing projects. (gamingonlinux.com)
Abner Coimbre discusses modern C conventions in C23, emphasizing the use of maybe_unused to handle unused return values and improve code clarity. He also highlights issues with designated initializers not zero-initializing structs, leading to more careful struct initialization practices. (abner.page)
Anthropic developed a custom source control system called Scion to handle their rapid increase in code changes, merging over 30,000 updates daily by September 2026. The system was built to meet extreme requirements, including managing nearly 100 GB of history and supporting 25 million code checkouts per day, replacing Git in five months. (simonwillison.net)
Concurrent ML (CML) extends Go's CSP-based concurrency model by promoting communication operations as values that can be executed separately, enabling advanced composition and encapsulation. CML also addresses goroutine leaks through garbage collection, with Racket currently leading in its implementation and support. (nikhilism.com)
Binary serialization in game data involves techniques for efficiently storing fixed and variable-sized data, such as strings and arrays. Methods like using offsets for strings help maintain constant-time access and optimize performance. (blog.demofox.org)
The video demonstrates how to build a tree directory viewer in C without using AI. It focuses on manual programming techniques for creating a file system navigator. (youtube.com)
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