Sha256: ab301ad59aa912529cb97233a54a05914dd3cb2ec43e6fec7334170b97ac5998
Contents?: true
Size: 981 Bytes
Versions: 30
Compression:
Stored size: 981 Bytes
Contents
/// A type that wraps a single byte with a convenient fmt::Debug impl that
/// escapes the byte.
pub(crate) struct DebugByte(pub(crate) u8);
impl core::fmt::Debug for DebugByte {
fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
// Special case ASCII space. It's too hard to read otherwise, so
// put quotes around it. I sometimes wonder whether just '\x20' would
// be better...
if self.0 == b' ' {
return write!(f, "' '");
}
// 10 bytes is enough to cover any output from ascii::escape_default.
let mut bytes = [0u8; 10];
let mut len = 0;
for (i, mut b) in core::ascii::escape_default(self.0).enumerate() {
// capitalize \xab to \xAB
if i >= 2 && b'a' <= b && b <= b'f' {
b -= 32;
}
bytes[len] = b;
len += 1;
}
write!(f, "{}", core::str::from_utf8(&bytes[..len]).unwrap())
}
}
Version data entries
30 entries across 30 versions & 1 rubygems