small cleanup of contract

This commit is contained in:
Robby Findler 2017-03-11 13:06:22 -06:00
parent 9b987800fb
commit faa385b337

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@ -787,7 +787,7 @@ but it is faster and runs in constant time when @racket[n] is positive.
@defproc[(bitwise-bit-field [n exact-integer?]
[start exact-nonnegative-integer?]
[end (and/c exact-nonnegative-integer?
(start . <= . end))])
(>=/c start))])
exact-integer?]{
Extracts the bits between position @racket[start] and @racket[(- end 1)] (inclusive)