1use std::ops::Range;
2
3pub(crate) fn matches_fluent_ws(c: char) -> bool {
4 c == ' ' || c == '\r' || c == '\n'
5}
6
7pub trait Slice<'s>: AsRef<str> + Clone + PartialEq {
8 fn slice(&self, range: Range<usize>) -> Self;
9 fn trim(&mut self);
10}
11
12impl<'s> Slice<'s> for String {
13 fn slice(&self, range: Range<usize>) -> Self {
14 self[range].to_string()
15 }
16
17 fn trim(&mut self) {
18 *self = self.trim_end_matches(matches_fluent_ws).to_string();
19 }
20}
21
22impl<'s> Slice<'s> for &'s str {
23 fn slice(&self, range: Range<usize>) -> Self {
24 &self[range]
25 }
26
27 fn trim(&mut self) {
28 *self = self.trim_end_matches(matches_fluent_ws);
29 }
30}
31