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faster cython version for bytes #11

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zed opened this issue Nov 23, 2017 · 0 comments

zed commented Nov 23, 2017

def count_doubles(bytes data):
    cdef Py_ssize_t count = 0, i
    cdef char *s = data  # no copy
    for i in range(len(data) - 1):
        count += (s[i] == s[i + 1])
    return count

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