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void replace(vector<string> my_vector_2, string old, string replacement){
vector<string>::iterator it;
for (it = my_vector_2.begin(); it != my_vector_2.end(); ++it){
if (*it==old){
my_vector_2.erase(it);
my_vector_2.insert(it,replacement);
}
}
}
So, I'd like this function to replace all occurrences of the string old in the vector with the string replacement. But when calling this function, it simply doesn't change the vector at all. I'm not sure if I am using the erase and insert functions properly. Any ideas?
576
To replace an element in Java Vector, set() method of java. util. Vector class can be used. The set() method takes two parameters-the indexes of the element which has to be replaced and the new element.
The erase() function can remove an element from the beginning, within, or end of the vector. In order to remove all the elements from the vector, using erase(), the erase() function has to be repeated the number of times there are elements, beginning from the first element.
To replace a value in an R vector, we can use replace function. It is better to save the replacement with a new object, even if you name that new object same as the original, otherwise the replacements will not work with further analysis.
At first you need to pass vector by reference, not by value.
void replace(vector<string>& my_vector_2, string old, string replacement){
Second erase and insert invalidates it, you need to update it with new iterator returned by erase
it = my_vector_2.erase(it);
it = my_vector_2.insert(it,replacement);
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