回答編集履歴
2
追記
test
CHANGED
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@@ -103,3 +103,51 @@
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103
103
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}
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104
104
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105
105
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```
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106
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+
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107
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108
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109
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vector<int*> を使っても構わんけど、リークの要因になるからオススメしない。
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110
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111
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```C++
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112
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113
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#include<memory>
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114
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115
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#include<vector>
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116
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117
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#include <iostream>
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118
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119
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120
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121
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int main() {
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122
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123
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std::vector<int*> ints;
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124
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125
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126
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127
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for ( int i = 0; i < 10; ++i ) {
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128
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129
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ints.push_back(new int(i));
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130
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131
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}
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132
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133
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134
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135
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// かくにん(と解放)
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136
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+
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137
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for ( int* item : ints ) {
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138
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139
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std::cout << *item << ' ';
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140
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+
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141
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// これ↓を忘れがちだからポインタの集合はお薦めしかねる
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142
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+
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143
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delete item;
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144
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+
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145
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+
}
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146
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+
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147
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+
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148
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+
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149
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return 0;
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150
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+
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151
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}
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152
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+
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153
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+
```
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1
追記
test
CHANGED
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@@ -53,3 +53,53 @@
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53
53
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}
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54
54
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55
55
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```
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56
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+
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57
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+
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58
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+
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59
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+
呈示された元コードを活かすなら:
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60
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+
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61
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+
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62
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+
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63
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+
```C++
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64
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+
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65
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+
#include<memory>
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66
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+
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67
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#include<vector>
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68
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+
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69
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#include <iostream>
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70
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+
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71
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+
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72
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+
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73
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+
int main() {
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74
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+
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75
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+
std::vector<std::unique_ptr<int>> ints;
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76
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+
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77
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+
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78
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+
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79
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+
for ( int i = 0; i < 10; ++i ) {
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80
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+
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81
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+
std::unique_ptr<int> up;
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82
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+
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83
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up.reset(new int(i));
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84
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+
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85
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ints.push_back(std::move(up)); // std::moveせよ
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86
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+
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87
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}
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88
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+
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89
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+
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90
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+
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91
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+
// かくにん
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92
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+
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93
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+
for ( auto& item : ints ) {
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94
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+
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95
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+
std::cout << *item.get() << ' ';
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96
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+
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97
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+
}
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98
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+
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99
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+
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100
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+
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101
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+
return 0;
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102
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+
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103
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+
}
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104
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+
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105
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+
```
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