当尝试使用 Cheerp（使用 clang++）编译我的 C++ 代码时，我从终端得到以下输出：
example.cpp:102:9: error: invalid operands to binary expression ('std::ostream'
(aka 'basic_ostream<char>') and 'const char *')
out << "(" << loc.x << ", " << loc.y << ")";
~~~ ^ ~~~
这是我对终端的命令：
/opt/cheerp/bin/clang++ -target cheerp example.cpp -o example.js
这是它有问题的代码：
static std::ostream& operator <<(std::ostream & out, const CornerLoc &loc)
{
out << "(" << loc.x << ", " << loc.y << ")";
if (loc.type == kCorner)
out<<"-corner";
if (loc.type == kCornerNorthWest)
out<<"-cornerNW";
if (loc.type == kCornerNorthEast)
out<<"-cornerNE";
if (loc.type == kCornerSouthWest)
out<<"-cornerSW";
if (loc.type == kCornerSouthEast)
out<<"-cornerSE";
return out;
}
已修复：：我只是忘记了#include <iostream>
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