https://pkg.go.dev/d.zyszy.best/google/mtail/tailer
tailer package - d.zyszy.best/google/mtail/tailer - Go Packages
Package tailer provides a class that is responsible for tailing log files and extracting new log lines to be passed into the virtual machines.
packagebestgooglemtail
https://fastled.io/docs/d0/d56/classfl_1_1_dynamic_circular_buffer_a23aa23e2c8ef611cfac01b1b2f567596.html
FastLED: fl::DynamicCircularBuffer::mTail
fastledflmtail