This fixes issues with proto-files following latest proto file defintions that allow "optional" keyword again.
Error looks like this:
# ./grpcdump_main -color -p 50051 -proto-path=protos -proto-files=____.proto
FATA[0000] Proto files init error: ____.proto:xx:x: field ___.___: field has label LABEL_OPTIONAL, but proto3 must omit labels other than 'repeated'
This fixes issues with proto-files following latest proto file defintions that allow "optional" keyword again.
Error looks like this:
Thanks for the great tool :-)