range-checking – Tarik Billa

Why does Python allow out-of-range slice indexes for sequences?

February 12, 2023 by Tarik

Part of question regarding out-of-range indices Slice logic automatically clips the indices to the length of the sequence. Allowing slice indices to extend past end points was done for convenience. It would be a pain to have to range check every expression and then adjust the limits manually, so Python does it for you. Consider … Read more

Is it more efficient to perform a range check by casting to uint instead of checking for negative values?

February 5, 2023 by Tarik

From MS Partition I, section 12.1 (Supported data types): The signed integer types (int8, int16, int32, int64, and native int) and their corresponding unsigned integer types (unsigned int8, unsigned int16, unsigned int32, unsigned int64, and native unsigned int) differ only in how the bits of the integer are interpreted. For those operations in which an … Read more