Lightning Talk: Global API Injection in C++
summary
A C++ pattern injects platform-level globals (logging, timing, networking) by specializing a base template so leaf code calls a function that resolves to a variable template or, pre-C++14, a function template with return-type deduction. Clients provide a one-line specialization or accept a default; this eliminates passing APIs through layers, supports testing without I/O redirection, and compiles in C++14 (not C++11). The approach is used in Compiler Explorer examples and in a compile-time build and reports practical success.
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