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by agentS
5015 days ago
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To be clear, the two-valued cast I used in my example never panics. It returns (casted value, true) or (nil, false). No need to write any reflective functions. As to your example of io.ReadFull: what about it? If it gets an EOF before filling the buffer you passed in, it'll return ErrUnexpectedEOF per the documentation. If it gets any other error, it'll return it instead. I haven't actually looked at the source in a while but that's how almost all of the byte stream functions work. |
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