擅长:python、mysql、java
<p><a href="http://docs.cython.org/src/userguide/pyrex_differences.html#automatic-range-conversion" rel="nofollow">The docs</a>请注意:</p>
<blockquote>
<h1>Automatic range conversion</h1>
<p>This will convert statements of the form
for i in range(...) to for i from ... when i is any cdef’d integer
type, <em>and the direction (i.e. sign of step) can be determined</em>.</p>
</blockquote>
<p>我想Cython想知道编译时step的符号,以便在C循环的结束条件中生成<code><</code>或{<cd2>}。在</p>
<p>另请参见<a href="http://trac.cython.org/cython_trac/ticket/546" rel="nofollow">Ticket #546 on Cython Trac</a></p>