Default cpp_compat to true #996
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I think there's no reason not to do this, since otherwise it's either extra work for maintainers of the Rust projects (by either creating separate C++ headers, or by creating a TOML file just to set this config), or for C++ users to wrap
extern "C"around the#include.This approach of ifdef'ing
__cplusplusis used even in Lua, which is compatible with C89, so I think it's absolutely fine to generate this code, and I wouldn't expect any breakage.