[SUGGESTION] Make = in declaration optional when the RHS is a block

[jsphadetula]

main: () -> int = {
}

could be

main: () -> int  {
}

This will align Cpp2 with C++ for most declarations

Will your feature suggestion eliminate X% of security vulnerabilities of a given kind in current C++ code? No

Will your feature suggestion automate or eliminate X% of current C++ guidance literature? No