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