pub const REPLACEMENT_CHARACTER: char = '\u{fffd}'
U+FFFD REPLACEMENT CHARACTER (�) is used in Unicode to represent a decoding error.
It can occur, for example, when giving ill-formed UTF-8 bytes to String::from_utf8_lossy.
© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/char/constant.REPLACEMENT_CHARACTER.html