use crate::syn::{ReadableType, Reader, WritableType, Writer};
use core::marker::PhantomData;
pub struct SequenceOf<T, C: Constraint = NoConstraint>(PhantomData<T>, PhantomData<C>);
impl<C: Constraint> Default for SequenceOf<C> {
fn default() -> Self {
Self(Default::default(), Default::default())
}
}
pub trait Constraint {
const MIN: Option<u64> = None;
const MAX: Option<u64> = None;
const EXTENSIBLE: bool = false;
}
#[derive(Default)]
pub struct NoConstraint;
impl Constraint for NoConstraint {}
impl<T: WritableType, C: Constraint> WritableType for SequenceOf<T, C> {
type Type = Vec<T::Type>;
#[inline]
fn write_value<W: Writer>(writer: &mut W, value: &Self::Type) -> Result<(), W::Error> {
writer.write_sequence_of::<C, T>(value.as_slice())
}
}
impl<T: ReadableType, C: Constraint> ReadableType for SequenceOf<T, C> {
type Type = Vec<T::Type>;
#[inline]
fn read_value<R: Reader>(reader: &mut R) -> Result<Self::Type, <R as Reader>::Error> {
reader.read_sequence_of::<C, T>()
}
}