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use crate::io::{Decode, DecodeError, Encode};
pub use wasmbin_derive::WasmbinCountable;
pub trait WasmbinCountable {}
impl<T: WasmbinCountable + Encode> Encode for [T] {
fn encode(&self, w: &mut impl std::io::Write) -> std::io::Result<()> {
self.len().encode(w)?;
for item in self {
item.encode(w)?;
}
Ok(())
}
}
impl<T> Encode for Vec<T>
where
[T]: Encode,
{
fn encode(&self, w: &mut impl std::io::Write) -> std::io::Result<()> {
self.as_slice().encode(w)
}
}
impl<T: WasmbinCountable + Decode> Decode for Vec<T> {
fn decode(r: &mut impl std::io::Read) -> Result<Self, DecodeError> {
let count = usize::decode(r)?;
std::iter::repeat_with(|| T::decode(r))
.take(count)
.collect()
}
}
impl_visit_for_iter!(Vec<T>);
impl_visit_for_iter!(Option<T>);