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protocol: implement fmt::Write for CursorMut

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This commit is contained in:
Denis Drakhnia 2024-09-26 08:27:38 +03:00
parent dfb702f58d
commit a5f2affc49
1 changed files with 13 additions and 5 deletions
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18
protocol/src/cursor.rs
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@ -1,8 +1,10 @@
// SPDX-License-Identifier: LGPL-3.0-only // SPDX-License-Identifier: LGPL-3.0-only
// SPDX-FileCopyrightText: 2023 Denis Drakhnia <numas13@gmail.com> // SPDX-FileCopyrightText: 2023 Denis Drakhnia <numas13@gmail.com>
use std::io::{self, Write as _}; use std::{
use std::{fmt, mem, str}; fmt::{self, Write},
mem, str,
};
use thiserror::Error; use thiserror::Error;
@ -482,9 +484,7 @@ impl<'a> CursorMut<'a> {
} }
pub fn put_as_str<T: fmt::Display>(&mut self, value: T) -> Result<&mut Self, Error> { pub fn put_as_str<T: fmt::Display>(&mut self, value: T) -> Result<&mut Self, Error> {
let mut cur = io::Cursor::new(&mut self.buffer[self.pos..]); write!(self, "{}", value).map_err(|_| Error::UnexpectedEnd)?;
write!(&mut cur, "{}", value).map_err(|_| Error::UnexpectedEnd)?;
self.pos += cur.position() as usize;
Ok(self) Ok(self)
} }
@ -507,6 +507,14 @@ impl<'a> CursorMut<'a> {
} }
} }
impl fmt::Write for CursorMut<'_> {
fn write_str(&mut self, s: &str) -> fmt::Result {
self.put_bytes(s.as_bytes())
.map(|_| ())
.map_err(|_| fmt::Error)
}
}
#[cfg(test)] #[cfg(test)]
mod tests { mod tests {
use super::*; use super::*;