Word to the wise, don't use "==" to compare MACs: https://github.com/rack/rack/commit/0cd7e9aa397f8ebb3b8481d67dbac8b4863a7f07 …
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Struct syntax_pos::SpanData Retweeted
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Replying to @BradfordToney
@BradfordToney@steveklabnik "==" on strings does a value-wise comparison and will check a byte-at-a-time and fail fast, not constant time1 reply 0 retweets 0 likes -
Replying to @BradfordToney
@BradfordToney @steveklabnik yeah, byte-at-a-time XOR, check the result at the end
8:23 PM - 7 Feb 2013
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