ide_db/
label.rs

1//! See [`Label`]
2use std::fmt;
3
4use stdx::always;
5
6/// A type to specify UI label, like an entry in the list of assists. Enforces
7/// proper casing:
8///
9///    Frobnicate bar
10///
11/// Note the upper-case first letter and the absence of `.` at the end.
12#[derive(Clone)]
13pub struct Label(String);
14
15impl PartialEq<str> for Label {
16    fn eq(&self, other: &str) -> bool {
17        self.0 == other
18    }
19}
20
21impl PartialEq<&'_ str> for Label {
22    fn eq(&self, other: &&str) -> bool {
23        self == *other
24    }
25}
26
27impl From<Label> for String {
28    fn from(label: Label) -> String {
29        label.0
30    }
31}
32
33impl Label {
34    pub fn new(label: String) -> Label {
35        always!(label.starts_with(char::is_uppercase) && !label.ends_with('.'));
36        Label(label)
37    }
38}
39
40impl fmt::Display for Label {
41    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
42        fmt::Display::fmt(&self.0, f)
43    }
44}
45
46impl fmt::Debug for Label {
47    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
48        fmt::Debug::fmt(&self.0, f)
49    }
50}
ide_db/label.rs

ide_db/
label.rs
