namespace System;
/// Every enum's base, as .NET's: a value of its underlying integer, named
/// or not (`(Mode)5`, `A | B` — `|`, `&`, `^`, `~` are an enum's own).
[Intrinsic]
public abstract class Enum : IComparable<Enum> {
/// Whether every bit of `flag` is set in it.
public readonly bool HasFlag(Enum flag);
public readonly i32 CompareTo(Enum? other);
/// Its name; a `[Flags]` enum's names of its bits (`"A, B"`); else its number.
public override string ToString();
/// `TEnum`'s named values, in order.
[Reified]
public static TEnum[] GetValues<TEnum>() where TEnum : Enum;
[Reified]
public static string[] GetNames<TEnum>() where TEnum : Enum;
/// `value` by its name (a `[Flags]` enum's names joined by commas) or
/// its number; a panic for neither.
[Reified]
public static TEnum Parse<TEnum>(string value) where TEnum : Enum;
/// …or `null` for neither.
[Reified]
public static TEnum? TryParse<TEnum>(string value) where TEnum : Enum;
[Reified]
public static bool IsDefined<TEnum>(TEnum value) where TEnum : Enum;
}