makeName()

fl::string fl::Channel::makeName ( i32 id, const fl::optional< fl::string > & configName = fl::optional<fl::string>() )

staticprivate

Definition at line 156 of file channel.cpp.hpp.

                                                                         {
    if (configName.has_value()) {
        return configName.value();
    }
    // Auto-naming `"Channel_<id>"` only matters for diagnostics — in release
    // builds (NDEBUG → FASTLED_LOG_VERBOSITY=0 per Stage 1) every FL_WARN /
    // FL_ERROR site that reads mName collapses to `do { } while(0)`, so the
    // string and the supporting `fl::to_string` + `operator+` chain go
    // unused. Empty in release saves the `fl::to_string<i64>` instantiation
    // plus the heap allocation per Channel ctor. See #2942 / #2886.
#if FASTLED_LOG_RUNTIME_ENABLED
    return "Channel_" + fl::to_string(static_cast<i64>(id));
#else
    (void)id;
    return {};
#endif
}

References fl::Optional< T >::has_value(), fl::to_string(), and fl::Optional< T >::value().

Referenced by Channel(), Channel(), Channel(), create(), and operator=().

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