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fix compile on osx

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proddy
2026-07-12 21:26:29 +02:00
parent 2bb88a6d3a
commit 6512eac9af
1 changed files with 5 additions and 4 deletions
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9
src/core/emsesp.h
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@@ -88,12 +88,13 @@ class Module {}; // forward declaration
// //
// MAKE_PF_CB(member) produces a non-capturing trampoline that decays to a // MAKE_PF_CB(member) produces a non-capturing trampoline that decays to a
// plain function pointer (EMSdevice::process_function_p). The outer IILE // plain function pointer (EMSdevice::process_function_p). The outer IILE
// (immediately-invoked lambda expression) captures `this` purely to deduce // (immediately-invoked lambda expression) uses `decltype(this)` in an
// the derived-class type via decltype; the inner lambda is non-capturing and // unevaluated context to deduce the derived-class type without capturing
// therefore convertible to a function pointer via the unary `+` operator. // `this`; the inner lambda is non-capturing and therefore convertible to a
// function pointer via the unary `+` operator.
// Result: zero heap (no std::function control block) and direct dispatch. // Result: zero heap (no std::function control block) and direct dispatch.
#define MAKE_PF_CB(__f) \ #define MAKE_PF_CB(__f) \
([this]() { \ ([]() { \
using SelfT = std::remove_pointer_t<decltype(this)>; \ using SelfT = std::remove_pointer_t<decltype(this)>; \
return +[](emsesp::EMSdevice * dev, const std::shared_ptr<const Telegram> & t) { static_cast<SelfT *>(dev)->__f(t); }; \ return +[](emsesp::EMSdevice * dev, const std::shared_ptr<const Telegram> & t) { static_cast<SelfT *>(dev)->__f(t); }; \
}()) }())