I have two questions for following Decode function.
b need but one by one?
dst[i] = (a << 4) | b
Why does this code slide
Recently, I start to read source code and it’s difficult to understand.
Please help me.
A hex digit represents the range 0-15 which is four bits of data. Two digits can represent eight bits, or a byte. Hence a and b, and shifting a four bits to the left.
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