{
BT_ASSERT_PRE_NON_NULL(field, "Field");
BT_ASSERT_PRE_FIELD_HOT(field, "Field");
BT_ASSERT_PRE_FIELD_HAS_CLASS_TYPE(field,
BT_FIELD_CLASS_TYPE_STRING, "Field");
clear_string_field(field);
{
BT_ASSERT_PRE_NON_NULL(field, "Field");
BT_ASSERT_PRE_FIELD_HOT(field, "Field");
BT_ASSERT_PRE_FIELD_HAS_CLASS_TYPE(field,
BT_FIELD_CLASS_TYPE_STRING, "Field");
clear_string_field(field);