error: overloaded function with no contextual type information
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今天改进opencv的霍夫变换时遇到的
查了之后才发现是自己定义了一个
int max=0;
和opencv自带的函数max重名了,所以才会报错:
错误:没有上下文类型信息的重载函数
还有几个:
1. error: reference to 'max' is ambiguous
ambiguous是含糊的意思。系统内部有个max变量, 重名了。 换成另外一个变量名.
2. In function 'int main()':
p.cc:46: error: overloaded function with no contextual type informat
这个又是同名, 是函数同名了, 不是main函数的问题, 也许是其他函数名, 改改还有,小记一下
int *p()与int (*p)()的区别
int *p()是返回指针的函数
int (*p)()是指向函数的指针
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