Meaning of const char (&)[2]
0
template<typename ...Ts, int... N> void g(Ts (&...arr)[N]) {}
int n[1];
g<const char, int>("a", n); // Ts (&...arr)[N] expands to
// const char (&)[2], int(&)[1]
Question> What is the meaning of const char (&)[2]?
c++ c++11
edited Dec 26 '18 at 16:05
cpplearner
5,09021937
asked Nov 14 '18 at 21:06
q0987q0987
13.7k47189315
add a comment |
0
template<typename ...Ts, int... N> void g(Ts (&...arr)[N]) {}
int n[1];
g<const char, int>("a", n); // Ts (&...arr)[N] expands to
// const char (&)[2], int(&)[1]
Question> What is the meaning of const char (&)[2]?
c++ c++11
edited Dec 26 '18 at 16:05
cpplearner
5,09021937
asked Nov 14 '18 at 21:06
q0987q0987
13.7k47189315
1
It's a reference to an array of size2with elements of typeconst char. Same wayconst char (*)[2]would be a pointer.
– DeiDei
Nov 14 '18 at 21:30
add a comment |
0
0
0
template<typename ...Ts, int... N> void g(Ts (&...arr)[N]) {}
int n[1];
g<const char, int>("a", n); // Ts (&...arr)[N] expands to
// const char (&)[2], int(&)[1]
Question> What is the meaning of const char (&)[2]?
c++ c++11
edited Dec 26 '18 at 16:05
cpplearner
5,09021937
asked Nov 14 '18 at 21:06
q0987q0987
13.7k47189315
template<typename ...Ts, int... N> void g(Ts (&...arr)[N]) {}
int n[1];
g<const char, int>("a", n); // Ts (&...arr)[N] expands to
// const char (&)[2], int(&)[1]
Question> What is the meaning of const char (&)[2]?
c++ c++11
c++ c++11
edited Dec 26 '18 at 16:05
cpplearner
5,09021937
asked Nov 14 '18 at 21:06
q0987q0987
13.7k47189315
edited Dec 26 '18 at 16:05
cpplearner
5,09021937
asked Nov 14 '18 at 21:06
q0987q0987
13.7k47189315
edited Dec 26 '18 at 16:05
cpplearner
5,09021937
edited Dec 26 '18 at 16:05
cpplearner
5,09021937
edited Dec 26 '18 at 16:05
cpplearner
5,09021937
5,09021937
asked Nov 14 '18 at 21:06
q0987q0987
13.7k47189315
asked Nov 14 '18 at 21:06
q0987q0987
13.7k47189315
asked Nov 14 '18 at 21:06
q0987q0987
13.7k47189315
13.7k47189315
1
It's a reference to an array of size2with elements of typeconst char. Same wayconst char (*)[2]would be a pointer.
– DeiDei
Nov 14 '18 at 21:30
add a comment |
1
It's a reference to an array of size2with elements of typeconst char. Same wayconst char (*)[2]would be a pointer.
– DeiDei
Nov 14 '18 at 21:30
1
1
It's a reference to an array of size
2 with elements of type const char. Same way const char (*)[2] would be a pointer.– DeiDei
Nov 14 '18 at 21:30
It's a reference to an array of size
2 with elements of type const char. Same way const char (*)[2] would be a pointer.– DeiDei
Nov 14 '18 at 21:30
add a comment |
0
active
oldest
votes
Your Answer
StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
draft saved
draft discarded
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53308725%2fmeaning-of-const-char-2%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
0
active
oldest
votes
0
active
oldest
votes
active
oldest
votes
active
oldest
votes
draft saved
draft discarded
Thanks for contributing an answer to Stack Overflow!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
draft saved
draft discarded
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53308725%2fmeaning-of-const-char-2%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
1
It's a reference to an array of size
2with elements of typeconst char. Same wayconst char (*)[2]would be a pointer.– DeiDei
Nov 14 '18 at 21:30