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use crate::{hint, Parcel, Settings, Error};
use std::rc::Rc;
use std::sync::Arc;
use std::ops::Deref;
use std::io::prelude::*;
macro_rules! impl_smart_ptr_type {
($ty:ident) => {
impl<T: Parcel> Parcel for $ty<T>
{
const TYPE_NAME: &'static str = stringify!($ty<T>);
fn read_field(read: &mut dyn Read,
settings: &Settings,
_: &mut hint::Hints) -> Result<Self, Error> {
let value = T::read(read, settings)?;
Ok($ty::new(value))
}
fn write_field(&self, write: &mut dyn Write,
settings: &Settings,
_: &mut hint::Hints) -> Result<(), Error> {
self.deref().write(write, settings)
}
}
}
}
impl_smart_ptr_type!(Rc);
impl_smart_ptr_type!(Arc);
#[cfg(all(feature = "high-level-trait", feature = "impl-box"))]
compile_error!("it is not possible to enable the Parcel impl for Box<T> while the 'high-level-trait' feature flag is enabled, consider removing it as it is slated to be deprecated anyway");
#[cfg(all(feature = "impl-box", not(feature = "high-level-trait")))]
impl_smart_ptr_type!(Box);