1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
use std::io::{BufWriter, Write};
use crate::config::Config;
use crate::writeable::Writeable;
pub trait WriteReceiver {
fn write_choice<Wa: Writeable>(&mut self, b: Wa, config: &Config, print_separator: bool);
fn write_separator(&mut self, config: &Config);
}
impl<W: Write> WriteReceiver for BufWriter<W> {
fn write_choice<Wa: Writeable>(&mut self, b: Wa, config: &Config, print_separator: bool) {
let num_bytes_written = match self.write(&b.to_byte_buf()) {
Ok(x) => x,
Err(e) => {
eprintln!("Failed to write to output: {}", e);
0
}
};
if num_bytes_written > 0 && print_separator {
self.write_separator(config);
};
}
fn write_separator(&mut self, config: &Config) {
match self.write(&config.output_separator) {
Ok(_) => (),
Err(e) => eprintln!("Failed to write to output: {}", e),
}
}
}
|
