我尝试以下代码:
在主.py在
#!/usr/bin/env python
# encoding: utf-8
import pyximport
pyximport.install()
from foo import Fun
Fun()
在食品.pyx在
^{pr2}$配置文件食物.pyxbld在
def make_ext(modname, pyxfilename):
from distutils.extension import Extension
return Extension(name=modname,
sources=[pyxfilename],
language='C++')
运行时出现以下错误主.py公司名称:
foo.cpp
C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\INCLUDE\xlocale(342) : warning C4530: C++ exception handler used, but unwind semantics are not enabled. Specify /EHsc
C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\INCLUDE\functional(143) : error C2784: 'bool std::operator <(const std::basic_string<_Elem,_Traits,_Alloc> &,const _Elem *)' : could not deduce template argument for 'const std::basic_string<_Elem,_Traits,_Alloc> &' from 'const __pyx_t_3foo_mystruct'
C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\INCLUDE\string(150) : see declaration of 'std::operator <'
C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\INCLUDE\functional(142) : while compiling class template member function 'bool std::less<_Ty>::operator ()(const _Ty &,const _Ty &) const'
with
[
_Ty=__pyx_t_3foo_mystruct
]
C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\INCLUDE\map(68) : see reference to class template instantiation 'std::less<_Ty>' being compiled
with
[
_Ty=__pyx_t_3foo_mystruct
]
C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\INCLUDE\xtree(22) : see reference to class template instantiation 'std::_Tmap_traits<_Kty,_Ty,_Pr,_Alloc,_Mfl>' being compiled
with
[
_Kty=__pyx_t_3foo_mystruct,
_Ty=int,
_Pr=std::less<__pyx_t_3foo_mystruct>,
_Alloc=std::allocator<std::pair<const __pyx_t_3foo_mystruct,int>>,
_Mfl=false
]
C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\INCLUDE\xtree(63) : see reference to class template instantiation 'std::_Tree_nod<_Traits>' being compiled
with
[
_Traits=std::_Tmap_traits<__pyx_t_3foo_mystruct,int,std::less<__pyx_t_3foo_mystruct>,std::allocator<std::pair<const __pyx_t_3foo_mystruct,int>>,false>
]
C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\INCLUDE\xtree(89) : see reference to class template instantiation 'std::_Tree_ptr<_Traits>' being compiled
with
[
_Traits=std::_Tmap_traits<__pyx_t_3foo_mystruct,int,std::less<__pyx_t_3foo_mystruct>,std::al
我应该如何正确初始化和使用这个映射? 提前感谢您的帮助!在
要使用键类型为
mystruct
的映射,需要为mystruct
对象定义一个比较运算符。实际上,C++映射是有序映射(通常由一些自动平衡树,如AVL或Red Black)支持。正确的语法是编辑:将
i < t.i
替换为this.i < t.i
,因为这更显式(Python的Zen)。在相关问题 更多 >
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