invr 0.2.3

Declarative data validation engine using invariants executed on Polars DataFrames.
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#[derive(Debug, Clone, PartialEq, serde::Serialize)]
#[serde(untagged)]
pub enum MetricValue {
    Int(i64),
    Float(f64),
    Bool(bool),
    Text(String),
}

impl MetricValue {
    pub fn as_i64(&self) -> Option<i64> {
        match self {
            MetricValue::Int(v) => Some(*v),
            _ => None,
        }
    }

    pub fn as_f64(&self) -> Option<f64> {
        match self {
            MetricValue::Float(v) => Some(*v),
            _ => None,
        }
    }
}