embedded_io/impls/
boxx.rs

1use crate::{BufRead, ErrorType, Read, ReadReady, Seek, Write, WriteReady};
2use alloc::boxed::Box;
3
4#[cfg_attr(docsrs, doc(cfg(any(feature = "std", feature = "alloc"))))]
5impl<T: ?Sized + ErrorType> ErrorType for Box<T> {
6    type Error = T::Error;
7}
8
9#[cfg_attr(docsrs, doc(cfg(any(feature = "std", feature = "alloc"))))]
10impl<T: ?Sized + Read> Read for Box<T> {
11    #[inline]
12    fn read(&mut self, buf: &mut [u8]) -> Result<usize, Self::Error> {
13        T::read(self, buf)
14    }
15
16    #[inline]
17    fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), crate::ReadExactError<Self::Error>> {
18        T::read_exact(self, buf)
19    }
20}
21
22#[cfg_attr(docsrs, doc(cfg(any(feature = "std", feature = "alloc"))))]
23impl<T: ?Sized + BufRead> BufRead for Box<T> {
24    fn fill_buf(&mut self) -> Result<&[u8], Self::Error> {
25        T::fill_buf(self)
26    }
27
28    #[inline]
29    fn consume(&mut self, amt: usize) {
30        T::consume(self, amt);
31    }
32}
33
34#[cfg_attr(docsrs, doc(cfg(any(feature = "std", feature = "alloc"))))]
35impl<T: ?Sized + Write> Write for Box<T> {
36    #[inline]
37    fn write(&mut self, buf: &[u8]) -> Result<usize, Self::Error> {
38        T::write(self, buf)
39    }
40
41    #[inline]
42    fn write_all(&mut self, buf: &[u8]) -> Result<(), Self::Error> {
43        T::write_all(self, buf)
44    }
45
46    #[inline]
47    fn write_fmt(
48        &mut self,
49        fmt: core::fmt::Arguments<'_>,
50    ) -> Result<(), crate::WriteFmtError<Self::Error>> {
51        T::write_fmt(self, fmt)
52    }
53
54    #[inline]
55    fn flush(&mut self) -> Result<(), Self::Error> {
56        T::flush(self)
57    }
58}
59
60#[cfg_attr(docsrs, doc(cfg(any(feature = "std", feature = "alloc"))))]
61impl<T: ?Sized + Seek> Seek for Box<T> {
62    #[inline]
63    fn seek(&mut self, pos: crate::SeekFrom) -> Result<u64, Self::Error> {
64        T::seek(self, pos)
65    }
66
67    #[inline]
68    fn rewind(&mut self) -> Result<(), Self::Error> {
69        T::rewind(self)
70    }
71
72    #[inline]
73    fn stream_position(&mut self) -> Result<u64, Self::Error> {
74        T::stream_position(self)
75    }
76
77    #[inline]
78    fn seek_relative(&mut self, offset: i64) -> Result<(), Self::Error> {
79        T::seek_relative(self, offset)
80    }
81}
82
83#[cfg_attr(docsrs, doc(cfg(any(feature = "std", feature = "alloc"))))]
84impl<T: ?Sized + ReadReady> ReadReady for Box<T> {
85    #[inline]
86    fn read_ready(&mut self) -> Result<bool, Self::Error> {
87        T::read_ready(self)
88    }
89}
90
91#[cfg_attr(docsrs, doc(cfg(any(feature = "std", feature = "alloc"))))]
92impl<T: ?Sized + WriteReady> WriteReady for Box<T> {
93    #[inline]
94    fn write_ready(&mut self) -> Result<bool, Self::Error> {
95        T::write_ready(self)
96    }
97}
embedded_io/impls/boxx.rs

embedded_io/impls/
boxx.rs
