1// This file is part of ICU4X. For terms of use, please see the file
2// called LICENSE at the top level of the ICU4X source tree
3// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
4
5impl_tinystr_subtag!(
6 /// A single item used in a list of [`Private`](super::Private) extensions.
7 ///
8 /// The subtag has to be an ASCII alphanumerical string no shorter than
9 /// one character and no longer than eight.
10 ///
11 /// # Examples
12 ///
13 /// ```
14 /// use icu::locid::extensions::private::Subtag;
15 ///
16 /// let subtag1: Subtag = "Foo".parse().expect("Failed to parse a Subtag.");
17 ///
18 /// assert_eq!(subtag1.as_str(), "foo");
19 /// ```
20 Subtag,
21 extensions::private,
22 subtag,
23 extensions_private_subtag,
24 1..=8,
25 s,
26 s.is_ascii_alphanumeric(),
27 s.to_ascii_lowercase(),
28 s.is_ascii_alphanumeric() && s.is_ascii_lowercase(),
29 InvalidExtension,
30 ["foo12"],
31 ["toolooong"],
32);
33