1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <unordered_set> 11 12 // template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>, 13 // class Alloc = allocator<Value>> 14 // class unordered_set 15 16 // iterator insert(const_iterator p, const value_type& x); 17 18 #include <unordered_set> 19 #include <cassert> 20 21 int main() 22 { 23 { 24 typedef std::unordered_set<double> C; 25 typedef C::iterator R; 26 typedef C::value_type P; 27 C c; 28 C::const_iterator e = c.end(); 29 R r = c.insert(e, P(3.5)); 30 assert(c.size() == 1); 31 assert(*r == 3.5); 32 33 r = c.insert(e, P(3.5)); 34 assert(c.size() == 1); 35 assert(*r == 3.5); 36 37 r = c.insert(e, P(4.5)); 38 assert(c.size() == 2); 39 assert(*r == 4.5); 40 41 r = c.insert(e, P(5.5)); 42 assert(c.size() == 3); 43 assert(*r == 5.5); 44 } 45 } 46