shuuji3.xyz
[READ-ONLY] Mirror of https://github.com/shuuji3/cpp-notebook.
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202 lines
1{
2 "cells": [
3 {
4 "cell_type": "code",
5 "execution_count": 1,
6 "metadata": {},
7 "outputs": [
8 {
9 "data": {
10 "text/plain": []
11 },
12 "execution_count": 1,
13 "metadata": {},
14 "output_type": "execute_result"
15 }
16 ],
17 "source": [
18 "#include <iostream>\n",
19 "#include <vector>"
20 ]
21 },
22 {
23 "cell_type": "code",
24 "execution_count": 2,
25 "metadata": {},
26 "outputs": [
27 {
28 "data": {
29 "text/plain": [
30 "(std::vector<int> &) { 1, 2, 3 }\n"
31 ]
32 },
33 "execution_count": 2,
34 "metadata": {},
35 "output_type": "execute_result"
36 }
37 ],
38 "source": [
39 "std::vector<int> v{1,2,3};\n",
40 "v"
41 ]
42 },
43 {
44 "cell_type": "code",
45 "execution_count": 3,
46 "metadata": {},
47 "outputs": [
48 {
49 "data": {
50 "text/plain": []
51 },
52 "execution_count": 3,
53 "metadata": {},
54 "output_type": "execute_result"
55 }
56 ],
57 "source": [
58 "class Circle {\n",
59 " private:\n",
60 " double r;\n",
61 " \n",
62 " public:\n",
63 " Circle(double r_) {\n",
64 " r = r_;\n",
65 " }\n",
66 " double area() {\n",
67 " return r * r;\n",
68 " }\n",
69 "}"
70 ]
71 },
72 {
73 "cell_type": "code",
74 "execution_count": 4,
75 "metadata": {},
76 "outputs": [
77 {
78 "data": {
79 "text/plain": [
80 "(Circle &) @0x10d6dd408\n"
81 ]
82 },
83 "execution_count": 4,
84 "metadata": {},
85 "output_type": "execute_result"
86 }
87 ],
88 "source": [
89 "auto c1 = Circle(10);\n",
90 "c1;"
91 ]
92 },
93 {
94 "cell_type": "code",
95 "execution_count": 5,
96 "metadata": {},
97 "outputs": [
98 {
99 "data": {
100 "text/plain": [
101 "(Circle &) @0x10d6dd538\n"
102 ]
103 },
104 "execution_count": 5,
105 "metadata": {},
106 "output_type": "execute_result"
107 }
108 ],
109 "source": [
110 "Circle c2{20};\n",
111 "c2;"
112 ]
113 },
114 {
115 "cell_type": "code",
116 "execution_count": 6,
117 "metadata": {},
118 "outputs": [
119 {
120 "data": {
121 "text/plain": [
122 "(Circle &) @0x10d6dd668\n"
123 ]
124 },
125 "execution_count": 6,
126 "metadata": {},
127 "output_type": "execute_result"
128 }
129 ],
130 "source": [
131 "auto c3 = Circle{30};\n",
132 "c3;"
133 ]
134 },
135 {
136 "cell_type": "code",
137 "execution_count": 7,
138 "metadata": {},
139 "outputs": [
140 {
141 "name": "stderr",
142 "output_type": "stream",
143 "text": [
144 "\u001b[1minput_line_15:2:7: \u001b[0m\u001b[0;1;31merror: \u001b[0m\u001b[1mdeclaration of variable 'Circle' with deduced type 'auto' requires an\n",
145 " initializer\u001b[0m\n",
146 " auto Circle c4{40};\n",
147 "\u001b[0;1;32m ^\n",
148 "\u001b[0m\u001b[1minput_line_15:2:13: \u001b[0m\u001b[0;1;31merror: \u001b[0m\u001b[1mexpected ';' at end of declaration\u001b[0m\n",
149 " auto Circle c4{40};\n",
150 "\u001b[0;1;32m ^\n",
151 "\u001b[0m\u001b[0;32m ;\n",
152 "\u001b[0m\u001b[1minput_line_15:3:1: \u001b[0m\u001b[0;1;31merror: \u001b[0m\u001b[1muse of undeclared identifier 'c4'\u001b[0m\n",
153 "c4;\n",
154 "\u001b[0;1;32m^\n",
155 "\u001b[0m"
156 ]
157 },
158 {
159 "ename": "ename",
160 "evalue": "evalue",
161 "output_type": "error",
162 "traceback": []
163 }
164 ],
165 "source": [
166 "auto Circle c4{40};\n",
167 "c4;"
168 ]
169 },
170 {
171 "cell_type": "code",
172 "execution_count": null,
173 "metadata": {},
174 "outputs": [],
175 "source": [
176 "c4.area();"
177 ]
178 },
179 {
180 "cell_type": "code",
181 "execution_count": null,
182 "metadata": {},
183 "outputs": [],
184 "source": []
185 }
186 ],
187 "metadata": {
188 "kernelspec": {
189 "display_name": "C++14",
190 "language": "",
191 "name": "cling-cpp14"
192 },
193 "language_info": {
194 "codemirror_mode": "c++",
195 "file_extension": ".c++",
196 "mimetype": "text/x-c++src",
197 "name": "c++"
198 }
199 },
200 "nbformat": 4,
201 "nbformat_minor": 2
202}