/// <summary>
/// Converts to string.
/// </summary>
/// <returns>
/// A <see cref="string" /> that represents this instance.
/// </returns>
public override string ToString()
{
switch (Kind)
{
case ConstKind.Int:
case ConstKind.Float:
case ConstKind.Class:
return(ConstValue.ToString());
case ConstKind.Fun:
return($"_fun {ConstValue}");
case ConstKind.Str:
return($"\"{ConstValue}\"");
}
return("Constant");
}