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std::experimental::erase (std::list)

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Experimental
Filesystem library (filesystem TS)
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Library fundamentals 3 (library fundamentals TS v3)
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Extensions for concurrency 2 (concurrency TS v2)
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Merged into ISO C++ The functionality described on this page was merged into the mainline ISO C++ standard as of 11/2018, see std::erase (since C++20)
Defined in header <experimental/list>
template< class T, class A, class U >
void erase( std::list <T, A>& c, const U& value );
(library fundamentals TS v2)

Erases all elements that compare equal to value from the container. Equivalent to c.remove_if([&](auto& elem) { return elem == value; });.

[edit] Parameters

c - container from which to erase
value - value to be removed

[edit] Complexity

Linear.

[edit] Example

Run this code
#include <experimental/list>
#include <iostream>
 
auto show = [](const auto& container)
{
 for (auto e : container)
 std::cout << e;
 std::cout << '\n';
};
 
int main()
{
 std::list <int> data{1, 1, 1, 4, 1, 1, 1, 2, 1, 1, 1};
 show(data);
 std::experimental::erase(data, 1);
 show(data);
}

Output:

11141112111
42

Notes

Unlike std::list::remove , this function template accepts heterogeneous types and does not force a conversion to the container's value type before invoking the == operator.

[edit] See also

removes elements satisfying specific criteria
(function template) [edit]
removes elements satisfying specific criteria
(public member function of std::list<T,Allocator>) [edit]
(library fundamentals 2 TS)
erases all elements satisfying a predicate from a std::list
(function template) [edit]
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