Perhaps a new token is better?

[njlr]

I was reading your proposal and found:

-> is the only token used and required by this proposal. Several people suggested -> for code injection purposes. It's already a valid c++ token, which mean there is no need to add any new token or keyword, and -> represents injection pretty well.

Perhaps a new token is actually better? One reason why C++ is so slow to compile is due to the reuse of tokens. It requires the compiler to examine the context of tokens to disambiguate them.

[cor3ntin]

Fortunately, there should be no need to examine the context.
-> followed by {, (, class, struct or namespace means injection, otherwise it means operator-> or trailing return type.
You only ever need to look up one token a head, which seems rather sensible given all the crazy things involved in parsing some other constructs.

if(token.is("->") and nextToken.is_identifier()) {
      // not injection
}
else {
    // probably injection
}

What other token would you propose ? we are running short on them. Maybe => ?