Support function args being passed by reference #230
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Currently it's not possible for a function to accept args by reference. This PR adds early support for doing so, by transforming any function args that are `&mut T` into args that are passed by reference. E.g.:
```
\#[php_function]
fn my_function( arg: &mut Zval ) {
arg.reference_mut().map( |zval| zval.set_bool(true) );
}
```
joehoyle
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Currently it's not possible for a function to accept args by reference. This PR adds early support for doing so, by transforming any function args that are
&mut Tinto args that are passed by reference. E.g.: