/// A Prometheus label value.
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct MetricLabelValue(String);
impl MetricLabelValue {
#[must_use]
pub fn new(value: impl Into<String>) -> Self {
Self(value.into())
}
#[must_use]
pub fn as_str(&self) -> &str {
&self.0
}
}