public static bool TryAs(object value, Type type, out object outValue)
{
if (value == null)
{
outValue = null;
return(false);
}
var t = value.GetType();
if (t == type)
{
outValue = value;
return(true);
}
if (TypeHelpers.ImplementsInterface(t, type, false) || TypeHelpers.InheritFromClass(t, type, true))
{
outValue = value;
return(true);
}
var method = TypeHelpers.GetImplicitCastMethodTo(t, type, false);
if (method != null)
{
outValue = method.Invoke(null, new object[] {
value
});
return(true);
}
if (TypeHelpers.IsNullableType(type))
{
var underlingType = Nullable.GetUnderlyingType(type);
if (TryAs(value, underlingType, out var innerValue))
{
outValue = innerValue;
return(true);
}
}
outValue = null;
return(false);
}
public static bool IsImplicitCastableTo(Type type, Type to, bool throwOnError = true)
{
if (Throw.IfIsNull(type, nameof(type), throwOnError) || Throw.IfIsNull(to, nameof(to), throwOnError))
{
return(false);
}
if (IsNumericType(type) && IsNumericType(to))
{
if (ImplicitNumericConversionsTable[type].Contains(to))
{
return(true);
}
}
if (ImplementsInterface(type, to, false) || InheritFromClass(type, to, true))
{
return(true);
}
if (GetImplicitCastMethodTo(type, to) != null)
{
return(true);
}
if (TypeHelpers.IsNullableType(to))
{
var underlingType = Nullable.GetUnderlyingType(to);
if (IsImplicitCastableTo(type, underlingType, throwOnError))
{
return(true);
}
}
return(false);
}
