/// <summary>
/// Returns whether the two specified coproducts are structurally equal. Note that two nulls are
/// considered structurally equal coproducts.
/// </summary>
public static bool CoproductEquals(this ICoproduct c1, object that)
{
if (that is ICoproduct c2 && c1 != null && c2 != null && c1.GetType() == c2.GetType())
{
return(c1.CoproductRepresentation().Equals(c2.CoproductRepresentation()));
}
return(c1 == that);
}
/// <summary>
/// Returns string representation of the specified coproduct type.
/// </summary>
public static string CoproductToString(this ICoproduct c)
{
return
(c.GetType().SimpleName() + "(" +
GetOrdinal(c.CoproductDiscriminator) + "(" +
c.CoproductValue.SafeToString() +
")" +
")");
}
/// <summary>
/// Returns hash code of the specified coproduct.
/// </summary>
public static int CoproductHashCode(this ICoproduct c)
{
return(Structural.HashCode(new[] { c.CoproductArity, c.CoproductDiscriminator, c.CoproductValue }));
}
/// <summary>
/// Canonical representation of the coproduct.
/// </summary>
public static IProduct3 <int, int, object> CoproductRepresentation(this ICoproduct c)
{
return(Product3.Create(c.CoproductArity, c.CoproductDiscriminator, c.CoproductValue));
}