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_map> 11 12 // template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>, 13 // class Alloc = allocator<pair<const Key, T>>> 14 // class unordered_map 15 16 // iterator erase(const_iterator p) 17 18 #include <unordered_map> 19 #include <string> 20 #include <cassert> 21 22 #include "../../../min_allocator.h" 23 24 int main() 25 { 26 { 27 typedef std::unordered_map<int, std::string> C; 28 typedef std::pair<int, std::string> P; 29 P a[] = 30 { 31 P(1, "one"), 32 P(2, "two"), 33 P(3, "three"), 34 P(4, "four"), 35 P(1, "four"), 36 P(2, "four"), 37 }; 38 C c(a, a + sizeof(a)/sizeof(a[0])); 39 C::const_iterator i = c.find(2); 40 C::iterator j = c.erase(i); 41 assert(c.size() == 3); 42 assert(c.at(1) == "one"); 43 assert(c.at(3) == "three"); 44 assert(c.at(4) == "four"); 45 } 46 #if __cplusplus >= 201103L 47 { 48 typedef std::unordered_map<int, std::string, std::hash<int>, std::equal_to<int>, 49 min_allocator<std::pair<const int, std::string>>> C; 50 typedef std::pair<int, std::string> P; 51 P a[] = 52 { 53 P(1, "one"), 54 P(2, "two"), 55 P(3, "three"), 56 P(4, "four"), 57 P(1, "four"), 58 P(2, "four"), 59 }; 60 C c(a, a + sizeof(a)/sizeof(a[0])); 61 C::const_iterator i = c.find(2); 62 C::iterator j = c.erase(i); 63 assert(c.size() == 3); 64 assert(c.at(1) == "one"); 65 assert(c.at(3) == "three"); 66 assert(c.at(4) == "four"); 67 } 68 #endif 69 } 70
