How do you clear a list in C++?

How do you clear a list in C++?

list::clear() is an inbuilt function in C++ STL which is declared in header file. list::clear(), clears the whole list. In other words the clear() removes all the elements present in the list container and leaves the container with size 0.

What does erase () do in C++?

The list::erase() is a built-in function in C++ STL which is used to delete elements from a list container. This function can be used to remove a single element or a range of elements from the specified list container.

How do I remove multiple elements from a list in C++?

Using list::erase(): The purpose of this function is to remove the elements from list. Single or multiple contiguous elements in range can be removed using this function.

What library is erase in C++?

The C++ string library allows you to erase a part of a string using the erase() function.

How do you delete all elements in an array in C++?

Clear Array Element Values in C++

  1. Use Built-In fill() Method to Clear Array Elements in C++
  2. Use std::fill() Algorithm to Clear Array Elements in C++
  3. Use fill_n() Algorithm to Clear Array Elements.

What happens to iterator after erase list?

Only the iterators and references to the erased element is invalidated. Only iterators and references to the erased elements are invalidated.

How do I remove a list from an element list?

How to Remove an Element from a List Using the remove() Method in Python. To remove an element from a list using the remove() method, specify the value of that element and pass it as an argument to the method. remove() will search the list to find it and remove it.

What library is erase in?

C++ List Library – erase() Function.

How do you clear an iterator?

An element can be removed from a Collection using the Iterator method remove(). This method removes the current element in the Collection. If the remove() method is not preceded by the next() method, then the exception IllegalStateException is thrown.