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 erase(const_iterator p) 17 18 #include <unordered_set> 19 #include <cassert> 20 21 #include "min_allocator.h" 22 23 int main() 24 { 25 { 26 typedef std::unordered_set<int> C; 27 typedef int P; 28 P a[] = 29 { 30 P(1), 31 P(2), 32 P(3), 33 P(4), 34 P(1), 35 P(2) 36 }; 37 C c(a, a + sizeof(a)/sizeof(a[0])); 38 C::const_iterator i = c.find(2); 39 C::iterator j = c.erase(i); 40 assert(c.size() == 3); 41 assert(c.count(1) == 1); 42 assert(c.count(3) == 1); 43 assert(c.count(4) == 1); 44 } 45 #if __cplusplus >= 201103L 46 { 47 typedef std::unordered_set<int, std::hash<int>, std::equal_to<int>, min_allocator<int>> C; 48 typedef int P; 49 P a[] = 50 { 51 P(1), 52 P(2), 53 P(3), 54 P(4), 55 P(1), 56 P(2) 57 }; 58 C c(a, a + sizeof(a)/sizeof(a[0])); 59 C::const_iterator i = c.find(2); 60 C::iterator j = c.erase(i); 61 assert(c.size() == 3); 62 assert(c.count(1) == 1); 63 assert(c.count(3) == 1); 64 assert(c.count(4) == 1); 65 } 66 #endif 67 } 68
