/// Internal numeric input representation used by the number formatter.
////// Created via the `NumberLike` trait implementations. Users never construct
/// this type directly.
#[derive(Copy, Clone, Debug)]pubenumNumericValue{/// Signed integer input (`i8`..`i128`, `isize`).
Int(i128),/// Unsigned integer input (`u8`..`u128`, `usize`).
UInt(u128),/// Floating-point input (`f32`, `f64`).
Float(f64),}