std::remove, std::remove_if cppreference com

This form automatically provides strong exception guarantee, but prohibits resource reuse. Removing is done by shifting the elements in the range in such a way that the elements that are not to be removed appear in the beginning of the range. The object created by a new expression is initialized according to the following rules.

For loading a large file, file mapping via OS-specific functions, e.g., mmap on POSIX or CreateFileMapping(A/W) along with MapViewOfFile on Windows, is preferable to allocating a buffer for file reading. Because a pair of brackets following the keyword delete is always interpreted as the array form of a delete-expression, a lambda-expression with an empty capture list immediately after delete must be enclosed in parentheses. Given the pointer evaluated from expression (after possible conversions) as ptr. If the value type is known to be a scalar type, the const variant should return by value. POSIX specifies many additional details for the behavior of this function. Removes all elements satisfying specific criteria from the range