//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // <unordered_set> // template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>, // class Alloc = allocator<Value>> // class unordered_set // iterator insert(const_iterator p, const value_type& x); #include <unordered_set> #include <cassert> int main() { { typedef std::unordered_set<double> C; typedef C::iterator R; typedef C::value_type P; C c; C::const_iterator e = c.end(); R r = c.insert(e, P(3.5)); assert(c.size() == 1); assert(*r == 3.5); r = c.insert(e, P(3.5)); assert(c.size() == 1); assert(*r == 3.5); r = c.insert(e, P(4.5)); assert(c.size() == 2); assert(*r == 4.5); r = c.insert(e, P(5.5)); assert(c.size() == 3); assert(*r == 5.5); } }