/// <summary>
/// Returns the default value for the type being operated on
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public static object DefaultValue(this Type type)
{
if (_defaultTypeValues.TryGetValue(type, out var cached))
{
return(cached);
}
var method = DefaultvalueGeneric.MakeGenericMethod(type);
var result = method.Invoke(null, null);
_defaultTypeValues.TryAdd(type, result);
return(result);
}
/// <summary>
/// Returns true if the type being operated on can be
/// implicitly upcast to the target type
/// </summary>
/// <param name="src"></param>
/// <param name="target"></param>
/// <returns></returns>
public static bool CanImplicitlyUpcastTo(
this Type src, Type target
)
{
var convertSpecific = TryConvertGeneric.MakeGenericMethod(target);
var defaultSpecific = DefaultvalueGeneric.MakeGenericMethod(src);
var defaultValue = defaultSpecific.Invoke(null, null);
bool canConvert;
try
{
convertSpecific.Invoke(null, new[] { defaultValue });
canConvert = true;
}
catch
{
canConvert = false;
}
return(canConvert);
}
