:sig u64 DValue::to_u64(u64 default_value = 0) const :params u64 : fallback returned when conversion is not possible return value : converted value or the fallback :see >types 0_DValue 2_DValue_get_by_path :content Converts strings, f64, bool, pointer, and single-value maps to an unsigned integer. Invalid or empty strings return the default. Negative values clamp to zero and oversized values clamp to `u64` max. :example DValue value; value = "42"; print(value.to_u64(), "\n");