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//! See `Label`
use std::fmt;
/// A type to specify UI label, like an entry in the list of assists. Enforces
/// proper casing:
///
/// Frobnicate bar
///
/// Note the upper-case first letter and the absence of `.` at the end.
#[derive(Clone)]
pub struct Label(String);
impl PartialEq<str> for Label {
fn eq(&self, other: &str) -> bool {
self.0 == other
}
}
impl PartialEq<&'_ str> for Label {
fn eq(&self, other: &&str) -> bool {
self == *other
}
}
impl From<Label> for String {
fn from(label: Label) -> String {
label.0
}
}
impl Label {
pub fn new(label: impl Into<String>) -> Label {
let label = label.into();
assert!(label.starts_with(char::is_uppercase) && !label.ends_with('.'));
Label(label)
}
}
impl fmt::Display for Label {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Display::fmt(&self.0, f)
}
}
impl fmt::Debug for Label {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(&self.0, f)
}
}
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