lambda表达式语法错误

Error in lambda expression syntax

本文关键字：错误 语法 表达式 lambda      更新时间：2023-10-16

代码:

#include "Backpack.h"
#include <sstream>
#include <algorithm>
int Backpack::getCurrentWeight()
{
    int weight = 0;
    std::for_each(items.begin(),items.end(),[&](std::shared_ptr<PickupItem> item){ //8
        weight +=item->getWeight();
    });
    return weight;
}

产生以下错误:

Backpack.cpp: In member function 'int Backpack::getCurrentWeight()':
Backpack.cpp:8: error: expected primary-expression before '[' token
Backpack.cpp:8: error: expected primary-expression before ']' token
Backpack.cpp:8: error: expected primary-expression before 'item'

该项目建立在Linux上，但在Windows上它不是。我的Qt版本:Qt 4.7.4 for Desktop - MinGW 4.4 (Qt SDK)。我添加了以下标志:QMAKE_CXXFLAGS += -std=c++0x

您的编译器不支持lambda表达式

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