public static Nullability GetTypeNullability(this ParameterDefinition parameter, MethodDefinition method)
{
if (parameter.ParameterType.FullName == "System.Void")
{
return(Nullability.NotNull);
}
// Look for explicit annotation on parameter
var metadata = NullableMetadata.FromAttributeCollection(parameter.CustomAttributes);
if (metadata != null)
{
return((Nullability)metadata.Data [0]);
}
// Default nullability status for method
var nullable = GetNullableContext(method.CustomAttributes);
if (nullable != Nullability.Oblivous)
{
return(nullable);
}
// Default nullability status for type
return(GetNullableContext(method.DeclaringType.CustomAttributes));
}
public static Nullability GetTypeNullability(this FieldDefinition field)
{
if (field.FieldType.FullName == "System.Void")
{
return(Nullability.NotNull);
}
// Look for explicit annotation on field
var metadata = NullableMetadata.FromAttributeCollection(field.CustomAttributes);
if (metadata != null)
{
return((Nullability)metadata.Data [0]);
}
// Default nullability status for type
return(GetNullableContext(field.DeclaringType.CustomAttributes));
}