Function prev_value

datafusion/expr-common/src/interval_arithmetic.rs:1235–1238

This function should remain private since it may corrupt the an interval if used without caution.

(value: ScalarValue)

// This function should remain private since it may corrupt the an interval if
// used without caution.
fn prev_value(value: ScalarValue) -> ScalarValue {
    use ScalarValue::*;
    value_transition!(MIN, false, value)
}

trait OneTrait: Sized + std::ops::Add + std::ops::Sub {
    fn one() -> Self;