From: Jonathan Turkanis (technews_at_[hidden])
Date: 2005-03-09 19:28:23
Matthew Vogt wrote:
>> Suppose you write a filter which expect ASCII characters. You might
>> want to
>> perform arithmetic operations on characters, e.g.
>> if (c >= 65 && c < 91)
>> c += 32; // Convert to lowercase.
> Surely this is something you would want to discourage?
Why? I think it's usually discouraged because people should generally use
locales. But if you're writing, e.g., a base64 encoder, the exact numerical
values are important. I think this will be true enough of the time that I want
people to be able to write c+= 32.
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