20 use std::borrow::{Borrow, Cow};
41     type Item = (Cow<'a, str>, Cow<'a, str>);
62 fn decode(input: &[u8]) -> Cow<'_, str> {  in decode()
65         Cow::Owned(vec) => Cow::Owned(vec),  in decode()
66         Cow::Borrowed(_) => replaced,  in decode()
71 fn replace_plus(input: &[u8]) -> Cow<'_, [u8]> {  in replace_plus()
73         None => Cow::Borrowed(input),  in replace_plus()
82             Cow::Owned(replaced)  in replace_plus()
384 pub(crate) fn encode<'a>(encoding_override: EncodingOverride<'_>, input: &'a str) -> Cow<'a, [u8]> {  in encode()
391 pub(crate) fn decode_utf8_lossy(input: Cow<'_, [u8]>) -> Cow<'_, str> {  in decode_utf8_lossy()
394         Cow::Borrowed(bytes) => String::from_utf8_lossy(bytes),  in decode_utf8_lossy()
395         Cow::Owned(bytes) => {  in decode_utf8_lossy()
397                 Cow::Borrowed(utf8) => {  in decode_utf8_lossy()
412                     Cow::Owned(unsafe { String::from_utf8_unchecked(bytes) })  in decode_utf8_lossy()
414                 Cow::Owned(s) => Cow::Owned(s),  in decode_utf8_lossy()
420 pub type EncodingOverride<'a> = Option<&'a dyn Fn(&str) -> Cow<'_, [u8]>>;