cplusplus-11

the following poc cause a assertion failure in "debug" build on ubuntu.

function opt(){
	const v2 = [-1000000000.0];
	v2.length = 4294967295;
	const v3 = v2.copyWithin();
	return v3;
}


for(let i=0;i<0x200;i++){
	opt(false);
}

See: https://www.boost.org/doc/libs/1_58_0/doc/html/program_options/tutorial.html#idp337609360

If we want to be more idiomatic C++ and use less C-style stuff and enable more complex command-line options, would this be a good improvement?

There are common 'program stubs' which are used as the entry-point for many commands:

• https://github.com/HarryR/ethsnarks/blob/master/src/stubs.cpp

Currently the kv store is unqlite. It will be good to integrate LevelDb with Bun