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What are the common practices and considerations for using the [[nodiscard]] attribute in C++ code?

score 301 · Answer 1 · 2023-10-06T08:31:41.470000

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What are the common practices and considerations for using the [[nodiscard]] attribute in C++ code?

301 views Asked by Amit At 06 October 2023 at 08:31

score 11743 · Answer 2 · 2023-06-16T11:13:18.090000

Explanation of [[nodiscard]] in C++17

11.7k views Asked by Green绿色 At 16 June 2023 at 11:13

score 209 · Answer 3 · 2023-04-24T21:24:33.090000

Is there any benefit to tagging my class's constructor(s) as [[nodiscard]] when the class itself is tagged as [[nodiscard]]?

209 views Asked by Jeremy Friesner At 24 April 2023 at 21:24

score 155 · Answer 4 · 2023-04-18T09:59:59.167000

Fixing compiler warning C4834 - discarding return value of std::async function

155 views Asked by StewieGGriffin At 18 April 2023 at 09:59

score 241 · Answer 5 · 2023-04-14T18:36:18.887000

Implicit [[nodiscard]] for all const-tagged methods?

241 views Asked by Jeremy Friesner At 14 April 2023 at 18:36

score 411 · Answer 6 · 2022-12-13T13:35:46.997000

python: prevent discarding of the function return value

411 views Asked by salmin At 13 December 2022 at 13:35

score 1842 · Answer 7 · 2022-11-16T08:10:11.020000

[[nodiscard]] attribute different compilation result for GCC and Clang

1.8k views Asked by kiner_shah At 16 November 2022 at 08:10

score 207 · Answer 8 · 2022-03-30T17:00:44.797000

Does GCC 7.3 omit the [[nodiscard]] attribute for reference returning member functions?

207 views Asked by Caglayan DOKME At 30 March 2022 at 17:00

score 1522 · Answer 9 · 2021-09-19T08:48:19.770000

Why not apply [[nodiscard]] to every constructor?

1.5k views Asked by Alex Guteniev At 19 September 2021 at 08:48

score 518 · Answer 10 · 2021-07-20T22:18:06.740000

Is [[nodiscard]] any different from [[gnu::warn_unused_result]]?

518 views Asked by alx - recommends codidact At 20 July 2021 at 22:18

score 483 · Answer 11 · 2021-05-20T14:30:53.657000

Add nodiscard attribute to functions in third party header

483 views Asked by Jon Chesterfield At 20 May 2021 at 14:30

score 1538 · Answer 12 · 2021-05-12T10:53:11.147000

warning C5240: 'nodiscard': attribute is ignored in this syntactic position

1.5k views Asked by Fedor At 12 May 2021 at 10:53

score 12025 · Answer 13 · 2021-04-12T14:04:54.233000

Why clang-tidy suggests to add [[nodiscard]] everywhere?

12k views Asked by Aditya Singh Rathore At 12 April 2021 at 14:04

score 330 · Answer 14 · 2021-01-29T19:40:33.803000

Exclude a function's return value from [[nodiscard]]

330 views Asked by Haozhun At 29 January 2021 at 19:40

score 372 · Answer 15 · 2021-01-20T07:38:26.667000

[[nodiscard]] for constant getter functions

372 views Asked by Henk At 20 January 2021 at 07:38

score 300 · Answer 16 · 2020-11-10T06:02:24.783000

Is it right to use static_cast<void> to ignore iterator as return value?

300 views Asked by Build Succeeded At 10 November 2020 at 06:02

score 650 · Answer 17 · 2020-09-18T10:38:48.447000

[[nodiscard]] in std::function return type definition?

650 views Asked by Alireza At 18 September 2020 at 10:38

score 3819 · Answer 18 · 2020-08-01T09:53:38.500000

Is nodiscard necessary on operators?

3.8k views Asked by j__ At 01 August 2020 at 09:53

score 1247 · Answer 19 · 2020-05-27T18:08:29.360000

Clang enforce [[nodiscard]] by default?

1.2k views Asked by user997112 At 27 May 2020 at 18:08

score 78 · Answer 20 · 2020-04-23T02:59:19.670000

Why are std::source_location's getters not marked as [[nodiscard]]?

78 views Asked by Alexander Karatarakis At 23 April 2020 at 02:59

TechQA.

List Question

What are the common practices and considerations for using the [[nodiscard]] attribute in C++ code?

Explanation of [[nodiscard]] in C++17

Is there any benefit to tagging my class's constructor(s) as [[nodiscard]] when the class itself is tagged as [[nodiscard]]?

Fixing compiler warning C4834 - discarding return value of std::async function

Implicit [[nodiscard]] for all const-tagged methods?

python: prevent discarding of the function return value

[[nodiscard]] attribute different compilation result for GCC and Clang

Does GCC 7.3 omit the [[nodiscard]] attribute for reference returning member functions?

Why not apply [[nodiscard]] to every constructor?

Is [[nodiscard]] any different from [[gnu::warn_unused_result]]?

Add nodiscard attribute to functions in third party header

warning C5240: 'nodiscard': attribute is ignored in this syntactic position

Why clang-tidy suggests to add [[nodiscard]] everywhere?

Exclude a function's return value from [[nodiscard]]

[[nodiscard]] for constant getter functions

Is it right to use static_cast<void> to ignore iterator as return value?

[[nodiscard]] in std::function return type definition?

Is nodiscard necessary on operators?

Clang enforce [[nodiscard]] by default?

Why are std::source_location's getters not marked as [[nodiscard]]?

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