...with it in C++. Despite it being opt-in, it gets routinely abused.

Overloading, even...

...be used deliberately, i.e. it's opt-in not there by default. Any language...

...Identifier (TemplateParameters) {
    @UDAs|opt Type Identifier = Expression,
    @UDAs|opt Type Identifier,
    @UDAs|opt MemberOfOperator,
}
```

TODO...

...a convincing argument. So what? Make it opt-in, mark it as dangerous, then when...

...convenient to use. That way users can opt in to whatever they want or write...

...to optimize/trim your wasm files:

``wasm-opt -Oz -o bin/game.wasm``

This tool...

...the beginning of the source file to opt-in the safety. The first sample would...

...have to opt-in to "forwardness", whereas copies have to be disabled to opt-out...

...to implement in user code. I'd opt for restricting copying completely, and allow copying...

...always scoped, so since scoped parameters are opt-in, it defaults to unscoped. And &sendThing...