data_stream/
wrappers.rs

1use crate::{FromStream, ToStream, from_stream, to_stream};
2
3use std::io::{Read, Result as IOResult, Write};
4
5impl<S, T: ToStream<S>> ToStream<S> for Box<T> {
6    fn to_stream<W: Write>(&self, stream: &mut W) -> IOResult<()> {
7        (**self).to_stream(stream)
8    }
9}
10
11impl<S, T: FromStream<S>> FromStream<S> for Box<T> {
12    fn from_stream<R: Read>(stream: &mut R) -> IOResult<Self> {
13        Ok(Self::new(from_stream(stream)?))
14    }
15}
16
17impl<S: crate::collections::SizeSettings> FromStream<S> for Box<str> {
18    fn from_stream<R: Read>(stream: &mut R) -> IOResult<Self> {
19        let s: String = from_stream::<S, String, R>(stream)?;
20        Ok(s.into())
21    }
22}
23
24impl<S: crate::collections::SizeSettings, T: ToStream<S>> ToStream<S> for Box<[T]> {
25    fn to_stream<W: Write>(&self, stream: &mut W) -> IOResult<()> {
26        self.as_ref().to_stream(stream)
27    }
28}
29
30impl<S: crate::collections::SizeSettings, T: FromStream<S>> FromStream<S> for Box<[T]> {
31    fn from_stream<R: Read>(stream: &mut R) -> IOResult<Self> {
32        let v: Vec<T> = from_stream(stream)?;
33        Ok(v.into_boxed_slice())
34    }
35}
36
37impl<S, T: ToStream<S>> ToStream<S> for Option<T> {
38    fn to_stream<W: Write>(&self, stream: &mut W) -> IOResult<()> {
39        match self {
40            None => to_stream::<S, _, _>(&false, stream),
41            Some(value) => {
42                to_stream::<S, _, _>(&true, stream)?;
43                value.to_stream(stream)
44            }
45        }
46    }
47}
48
49impl<S, T: FromStream<S>> FromStream<S> for Option<T> {
50    fn from_stream<R: Read>(stream: &mut R) -> IOResult<Self> {
51        Ok(if from_stream::<S, bool, _>(stream)? {
52            Some(from_stream(stream)?)
53        } else {
54            None
55        })
56    }
57}
58
59impl<S, T: ToStream<S>, E: ToStream<S>> ToStream<S> for Result<T, E> {
60    fn to_stream<W: Write>(&self, stream: &mut W) -> IOResult<()> {
61        match self {
62            Ok(value) => {
63                to_stream::<S, _, _>(&true, stream)?;
64                value.to_stream(stream)
65            }
66            Err(err) => {
67                to_stream::<S, _, _>(&false, stream)?;
68                err.to_stream(stream)
69            }
70        }
71    }
72}
73
74impl<S, T: FromStream<S>, E: FromStream<S>> FromStream<S> for Result<T, E> {
75    fn from_stream<R: Read>(stream: &mut R) -> IOResult<Self> {
76        Ok(if from_stream::<S, bool, _>(stream)? {
77            Ok(from_stream(stream)?)
78        } else {
79            Err(from_stream(stream)?)
80        })
81    }
82}
data_stream/wrappers.rs

data_stream/
wrappers.rs
