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#![allow(dead_code)]
#[cfg(test)]
mod tests;
use crate::fmt::{Formatter, Result, Write};
use core::str::lossy::{Utf8Lossy, Utf8LossyChunk};
pub fn debug_fmt_bytestring(slice: &[u8], f: &mut Formatter<'_>) -> Result {
fn write_str_escaped(f: &mut Formatter<'_>, s: &str) -> Result {
for c in s.chars().flat_map(|c| c.escape_debug()) {
f.write_char(c)?
}
Ok(())
}
f.write_str("\"")?;
for Utf8LossyChunk { valid, broken } in Utf8Lossy::from_bytes(slice).chunks() {
write_str_escaped(f, valid)?;
for b in broken {
write!(f, "\\x{:02X}", b)?;
}
}
f.write_str("\"")
}